| Robert Murphy | 185SHZ04ST | topic | open | Wikipedia Robert Murphy (mathematician), Wikidata Q18734466 |
| Robert Myers | G2PWP8FX3Y | unknown | open | Wikipedia List of string theory topics#WHMG |
| Robert O. Peterson | 1GSG1QDMZ5 | unknown | open | Wikipedia List of University of California, Los Angeles people#0F4U |
| Robert of Chester | W9HD7NJ66M | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q715419, ProofWiki Mathematician:Robert_of_Chester |
| Robert Oppenheimer | M3AQVWF3P8 | unknown | open | Wikipedia List of contributors to general relativity#XQXH |
| Robert Osserman | 27FZA477XG | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#GNK0 |
| Robert Osserman | N74EHQS26X | topic | open | Wikipedia Robert Osserman, Wikidata Q981938 |
| Robert Osserman | ZZYGNG41HE | topic | open | Wikipedia List of Jewish mathematicians#VHZU |
| Robert P. Dilworth | RJYTVA3Z4R | topic | open | Wikipedia Robert P. Dilworth, Wikidata Q2156904 |
| Robert P. Dilworth | TZ4B3748GV | topic | open | Wikipedia List of people by Erdős number#P0JI |
| Robert P. Geroch | NZV0GWGXG3 | unknown | open | Wikipedia List of contributors to general relativity#E5Q1 |
| Robert P. Lipton | EKHNH6RKAR | topic | open | Wikipedia Robert P. Lipton, Wikidata Q102188261 |
| Robert Penner | TXKGQQG4SS | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q87167335, nLab Robert Penner, Wikipedia Robert Penner |
| Robert Percival Porter | X2EPMTN4SC | topic | open | Wikipedia Robert Percival Porter, Wikidata Q63161344 |
| Robert Phelan Langlands | B21CTG5DX3 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#YF4X |
| Robert Phelps | EN0P99J54C | topic | open | Wikipedia List of people by Erdős number#TS1O |
| Robert Phelps | YD2H7DYBW5 | topic | open | Wikipedia Robert Phelps, Wikidata Q6487139 |
| Robert Pollock Gillespie | 80WGFKEW8E | topic | open | Wikipedia Robert Pollock Gillespie, Wikidata Q25753317 |
| Robert R. Jensen | JQAD5HB1SY | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#T072 |
| Robert R. Jensen | T3SXB9NXHE | topic | open | Wikipedia Robert R. Jensen, Wikidata Q72274495 |
| Robert R. Nathan | P9JQVKY6F3 | unknown | open | Wikipedia List of fellows of the American Statistical Association#OEMD |
| Robert R. Sokal | GCN36V4VB5 | topic | open | Wikipedia Robert R. Sokal, Wikidata Q2158553 |
| Robert Recorde | P3F4Y7TECF | topic | open | Wikipedia Robert Recorde, Wikidata Q318192 |
| Robert Remak | 58QZZM6BNB | topic | open | Wikipedia Robert Remak (mathematician), Wikidata Q76220 |
| Robert Remak | AJH47V6AS1 | topic | open | Wikipedia List of Jewish mathematicians#9LEF |
| Robert Remak | TWV5G6FVEQ | topic | open | Wikipedia List of German mathematicians#ABT5 |
| Robert Richard Anstice | P6FP2TVA2P | topic | open | Wikipedia Robert Richard Anstice, Wikidata Q18300375 |
| Robert Riley | KHWJFGRVQM | topic | open | Wikipedia Robert Riley (mathematician), Wikidata Q97402600 |
| Robert Rosebrugh | C4GP5R3Q70 | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q95321162, nLab Robert Rosebrugh |
| Robert Rosebrugh | VMBQ097G9F | topic | open | Wikipedia Robert Rosebrugh, Wikidata Q102202344 |
| Robert Rumely | MCAS7FHNDF | topic | open | Wikipedia Robert Rumely, Wikidata Q1519500 |
| Robert Rumely | Q4ESHX4Y82 | topic | open | Wikipedia List of people by Erdős number#3XF3 |
| Robert Russell | 6VR5TK6DG1 | topic | open | Wikipedia Robert Russell (Irish mathematician), Wikidata Q77973785 |
| Robert S. Boyer | 1Z0MPQ4YW8 | topic | open | Wikipedia Robert S. Boyer, Wikidata Q4588776 |
| Robert S. Boyer | 7ZJP86ZXJ1 | topic | open | Wikipedia List of people by Erdős number#NJZ8 |
| Robert S. Doran | EYBPEH0RMC | topic | open | Wikipedia Robert S. Doran, Wikidata Q16104652 |
| Robert S. Hartman | ETNR1V47S8 | topic | open | Wikipedia List of logicians#5OX9 |
| Robert S. Hartman | XCXYCDB27N | topic | open | Wikipedia Robert S. Hartman, Wikidata Q214892 |
| Robert S. Murley | 38188YF7T0 | unknown | open | Wikipedia List of University of California, Los Angeles people#YNDA |
| Robert Santos | 15Y1C0BY8Z | topic | open | Wikipedia Robert Santos, Wikidata Q106638866 |
| Robert Sauer | 2ETAXQCMP4 | topic | open | Wikipedia Robert Sauer (mathematician), Wikidata Q1631148 |
| Robert Schatten | NFES42HKEN | topic | open | Wikipedia List of Jewish mathematicians#75T7 |
| Robert Schatten | Z2QNXX034R | topic | open | Wikipedia Robert Schatten, Wikidata Q1247528 |
| Robert Schlaifer | E7ZFVX1FYD | unknown | open | Wikipedia List of fellows of the American Statistical Association#MM75 |
| Robert Scholtz | H234GE1D0K | unknown | open | Wikipedia List of people by Erdős number#2BMZ |
| Robert Schrader | 5SBA7AE77M | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q1432895, nLab Robert Schrader |
| Robert Seiringer | 8RZJYHSHYR | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q88155, nLab Robert Seiringer |
| Robert Seiringer | MX3PACYMFF | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#V41H |
| Robert Shapiro | 88DDG46DZ4 | unknown | open | Wikipedia List of University of California, Los Angeles people#KUPV |
| Robert Shostak | TRXXKNAGS8 | unknown | open | Wikipedia List of people by Erdős number#A4FH |
| Robert Simson | KTJ1JND57J | topic | open | Wikipedia Robert Simson, Wikidata Q1370937 |
| Robert Sinclair MacKay | E9B3WJE7BY | topic | open | Wikipedia Robert Sinclair MacKay, Wikidata Q11108478 |
| Robert Smith | 4GH86FA1CN | topic | open | Wikipedia Robert Smith (mathematician), Wikidata Q1747469 |
| Robert Solovay | RZW92N7EYW | topic | open | Wikipedia List of Jewish mathematicians#V9CK |
| Robert Sorgenfrey | AW5ME10EXC | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q383976, ProofWiki Mathematician:Robert_Henry_Sorgenfrey, Wikipedia Robert Sorgenfrey |
| Robert Spekkens | CG7B0R33D4 | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q102434111, nLab Robert Spekkens |
| Robert Stalnaker | JHC4GCZ03W | topic | open | Wikipedia Robert Stalnaker, Wikidata Q1364893 |
| Robert Stanton Avery | 3CXPB5VM95 | topic | open | Wikipedia Robert Stanton Avery, Wikidata Q7350003 |
| Robert Steinberg | P297F2K8ED | unknown | open | Wikipedia List of people by Erdős number#441O, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#KZU8 |
| Robert Steinberg | WDKMR22DJP | unknown | open | Wikipedia List of Jewish mathematicians#1S0F |
| Robert Tarjan | YMX7DHM9XN | unknown | open | Wikipedia List of people by Erdős number#SRRF, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#W14K |
| Robert Thomas Seeley | 59YK1XKGVG | topic | open | Wikipedia Robert Thomas Seeley, Wikidata Q1318732 |
| Robert Thomas Seeley | SC9HPMPKX2 | topic | open | Wikipedia List of people by Erdős number#PI5M, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#69O7 |
| Robert Tibshirani | YZXGA89G4K | topic | open | Wikipedia Robert Tibshirani, Wikidata Q3938444 |
| Robert Tichy | E5AWWG2KVR | topic | open | Wikipedia List of people by Erdős number#H0ID |
| Robert Tijdeman | P4SMR3N7Y5 | topic | open | Wikipedia List of people by Erdős number#C0EH, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#ZXF7 |
| Robert Tijdeman | YKBJ2ZCEE3 | topic | open | Wikipedia Robert Tijdeman, Wikidata Q450858 |
| Robert Tucker | 92WMM13HC6 | topic | open | Wikipedia Robert Tucker (mathematician), Wikidata Q15842741 |
| Robert V. Hogg | NHD22K0073 | topic | open | Wikipedia Robert V. Hogg, Wikidata Q7350544 |
| Robert V. Hogg | VN9MG8E322 | topic | open | Wikipedia List of fellows of the American Statistical Association#7RDA |
| Robert V. Kohn | CTMRADEXTY | topic | open | Wikipedia Robert V. Kohn, Wikidata Q2159050 |
| Robert V. Kohn | X3E8ENZJNH | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#0E40 |
| Robert W. Angus | GRVM554G1K | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#X76X |
| Robert W. Brooks | JGPC6RAX0X | topic | open | Wikipedia Robert W. Brooks, Wikidata Q7350645 |
| Robert W. Thomason | 93M1NV73M1 | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#UWU2 |
| Robert Wallace | 13KZAKVBFE | topic | open | Wikipedia Robert Wallace (minister), Wikidata Q15994811 |
| Robert Wedderburn | SFBV54CY6X | topic | open | Wikipedia Robert Wedderburn (statistician), Wikidata Q3938461 |
| Robert Weismantel | Q628TDP460 | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#7IZY |
| Robert William Genese | CD02Q3GNDQ | topic | open | Wikipedia Robert William Genese, Wikidata Q23060049 |
| Robert William Genese | NZ5Q2F54HH | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#8E0U, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#SNS1 |
| Robert Williams | RVD4ZJK00Y | unknown | open | Wikipedia List of geometers#5FOG |
| Robert Wolak | 9Q3DPAB7CR | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q48847117, nLab Robert Wolak |
| Robert Wood | XDQ37WA0Z9 | topic | open | Wikipedia Robert Wood (mathematician), Wikidata Q7351218 |
| Robert Woodhouse | 62K6X4JBWX | topic | open | Wikipedia Robert Woodhouse, Wikidata Q710911 |
| Robert Zimmer | BFZF9BJ74W | topic | open | Wikipedia List of people by Erdős number#P0GY |
| Robert Zimmer | V2E3MB2ZEN | topic | open | Wikipedia Robert Zimmer, Wikidata Q4162666 |
| Robert Zink | R2E99YZ0YW | topic | open | Wikipedia Robert Zink, Wikidata Q102143863 |
| Roberta Frances Johnson | C6CZAKS7G9 | topic | open | Wikipedia Roberta Frances Johnson, Wikidata Q102198394 |
| Roberta Gottlieb | PF3ZWB6J4N | unknown | open | Wikipedia List of University of California, Los Angeles people#RSSG |
| Roberto Bachi | 6DZ36WQGRD | topic | open | Wikipedia Roberto Bachi, Wikidata Q16597130 |
| Roberto Bachi | SHKRGG7E56 | topic | open | Wikipedia List of fellows of the American Statistical Association#L504 |
| Roberto Conti | F1H7FWPW2G | topic | open | Wikipedia Roberto Conti (mathematician), Wikidata Q3938714 |
| Roberto Conti (mathematician) | T8PKST75D9 | topic | open | Wikipedia List of Italian mathematicians#JILZ |
| Roberto H. Schonmann | CPR8QARK5J | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#47D9 |
| Roberto Longo | 6TE1V9CHJF | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#08Q7 |
| Roberto Longo | MZYFCM3W0Y | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q74576041, nLab Roberto Longo, Wikipedia Roberto Longo (mathematician) |
| Roberto Madrazo | VSDECBZ6GZ | unknown | open | Wikipedia List of University of California, Los Angeles people#RSZJ |
| Roberto Marcolongo | 4VDFC77B6G | topic | open | Wikipedia Roberto Marcolongo, Wikidata Q514677 |
| Roberto Marcolongo | 9AB3MRGQ58 | topic | open | Wikipedia List of Italian mathematicians#56GM, Wikipedia List of Italian mathematicians#NBSM, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#IHJU, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#YG44 |
| Roberto Markarian | 6KVFYBSVRM | topic | open | Wikipedia Roberto Markarian, Wikidata Q20016039 |