| Roman Bezrukavnikov | GTH5YZMN03 | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q7361591, nLab Roman Bezrukavnikov, Wikipedia Roman Bezrukavnikov |
| Roman Bezrukavnikov | RSDRGK9A84 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#M9OP |
| Roman Jackiw | F3RSBV0NFH | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q2164635, nLab Roman Jackiw |
| Roman Mikhailov | CGKKTE5NKN | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#3NCT |
| Roman Mikhaylov | HA20VM4FRW | topic | open | Wikipedia Roman Mikhaylov, Wikidata Q53848600 |
| Roman numerals | 7SDXR92FKE | definition | open | Wikipedia List of types of numbers#WN4V |
| Roman numerals | WR8BJ3Z4G8 | definition | open | Wikidata Q38918, MathWorld RomanNumerals, ProofWiki Definition:Roman_Numerals, Wikipedia Roman numerals |
| Roman Orus | 7ERXZVMD9M | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q57420520, nLab Roman Orus |
| Roman Sikorski | 2FT54HYRVE | topic | open | Wikipedia Roman Sikorski, Wikidata Q1582429 |
| Roman Sikorski | PJ8T7QSAZP | topic | open | Wikipedia List of people by Erdős number#VA8Q |
| Roman surface | 2Q38HDH6JS | definition | open | Wikipedia List of complex and algebraic surfaces#TS5F |
| Roman surface | PQNTFCRFK6 | definition | open | Wikidata Q697161, MathWorld RomanSurface, Wikipedia Roman surface |
| Roman Turovsky | 42FA1J1H23 | unknown | open | Wikipedia List of Ukrainian Jews#7OU5 |
| Roman Turovsky-Savchuk | JGJW93AZ2Y | unknown | open | Wikipedia List of Ukrainian Jews#WK94 |
| Roman Ulrich Sexl | J27CJ8WCZE | unknown | open | Wikipedia List of contributors to general relativity#C7YL |
| Roman Vershynin | EKGZP8VJZM | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#38DY |
| Romanas Januškevičius | 2TJRW0RB56 | topic | open | Wikipedia Romanas Januškevičius, Wikidata Q16471422 |
| Romanas Plečkaitis | 3K04F6KM4W | topic | open | Wikipedia Romanas Plečkaitis, Wikidata Q7362371 |
| Romane Clark | XBXA7743MC | topic | open | Wikipedia Romane Clark, Wikidata Q109905432 |
| Romania | 2RKS7RYYY6 | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q218, ProofWiki Mathematician:Mathematicians/Sorted_By_Nation/Romania |
| Romanian Master of Mathematics and Sciences | A3HBBRVZXW | definition | open | Wikipedia Romanian Master of Mathematics and Sciences, Wikidata Q7362553 |
| Romanian Master of Mathematics and Sciences | GWQHCBMR6K | definition | open | Wikipedia List of mathematics competitions#QLNC |
| Romanian Mathematical Society | 76KCTNYQPE | definition | open | Wikipedia Romanian Mathematical Society, Wikidata Q127273257 |
| Romanian Mathematical Society | GFNDWPFV64 | definition | open | Wikipedia List of mathematical societies#2LLN |
| Romanian Statistical Yearbook | 1PMGA0D7A6 | definition | open | Wikipedia Romanian Statistical Yearbook, Wikidata Q23073957 |
| Romano Scozzafava | HN65SNFFVB | topic | open | Wikipedia List of mathematical probabilists#0DQS |
| Romano Scozzafava | VSFJJ0NQEX | topic | open | Wikipedia Romano Scozzafava, Wikidata Q51048164 |
| Romanov's theorem | 3TNWNS4WCS | statement | open | Wikipedia Romanov's theorem, Wikidata Q96402496 |
| Romanov's theorem | 4K5R0W50C5 | statement | open | Wikipedia Romanov's theorem#5VW2 |
| Romanov's theorem | P1EDG12TK2 | statement | open | Wikipedia List of numbers#ZGIZ |
| Romanovski polynomials | BNE060SKZ8 | definition | open | Wikipedia Romanovski polynomials, Wikidata Q25304366 |
| Romberg's method | 1Q75T0SGX1 | definition | open | Wikipedia List of mathematics-based methods#GATC |
| Romberg's method | 2W78T2TXY4 | definition | open | Wikidata Q1078449, MathWorld RombergIntegration, Wikipedia Romberg's method |
| Romberg's method | NXPT50JEHH | definition | open | Wikipedia List of numerical analysis topics#YKU0 |
| Romberg's method | PDZ5ZRTEPV | definition | open | Wikipedia List of triangle topics#6YD9 |
| Romeo | WG1HG1E8X3 | unknown | open | Wikipedia List of U.S. communities with Hispanic-majority populations in the 2000 census#1T51 |
| Romário | KHYHKZ8AZV | unknown | open | Wikipedia List of twin teammates in sports#BD5B |
| Ron Aharoni | AHESTQ6WVV | topic | open | Wikipedia List of people by Erdős number#79AG |
| Ron Aharoni | F7F77PJA03 | topic | open | Wikipedia List of Jewish mathematicians#J4QQ |
| Ron Aharoni | REBSCJKX20 | topic | open | Wikipedia Ron Aharoni, Wikidata Q7363457 |
| Ron Donagi | C7BZYC3TAF | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q15433643, nLab Ron Donagi, Wikipedia Ron Donagi |
| Ron Donagi | NJAGDP5KM9 | topic | open | Wikipedia List of people by Erdős number#J4KE |
| Ron Doney | 329TY845C2 | topic | open | Wikipedia Ron Doney, Wikidata Q102426151 |
| Ron Goldman | 3JG3HBCDZJ | topic | open | Wikipedia Ron Goldman (mathematician), Wikidata Q22277969 |
| Ron Larson | R44TKCVY2X | topic | open | Wikipedia Ron Larson, Wikidata Q7364062 |
| Ron Mael | XQHV5TK67H | unknown | open | Wikipedia List of University of California, Los Angeles people#B1BB |
| Ron Rivest | ZNNNNHHGC5 | unknown | open | Wikipedia List of people by Erdős number#UCIO |
| Ron S. Jarmin | 32VS55SRBR | unknown | open | Wikipedia List of fellows of the American Statistical Association#9N01 |
| Ron Shamir | 1E941TF3QE | unknown | open | Wikipedia List of people by Erdős number#FSQ1 |
| Rona Gurkewitz | B6J418QMDM | topic | open | Wikipedia Rona Gurkewitz, Wikidata Q98690972 |
| Ronald Aarts | NCB89A22AN | unknown | open | Wikipedia List of people by Erdős number#2ITA |
| Ronald Brown | 66A1PWNK90 | topic | open | Wikipedia Ronald Brown (mathematician), Wikidata Q7364701 |
| Ronald C. Read | F1M4YG1XFA | topic | open | Wikipedia Ronald C. Read, Wikidata Q7364715 |
| Ronald C. Read | FNWNJGZ7QN | topic | open | Wikipedia List of people by Erdős number#DF82 |
| Ronald Coifman | G5C8TC0PX8 | topic | open | Wikipedia List of Jewish mathematicians#L2U4 |
| Ronald Coifman | P1SJYGEY5W | topic | open | Wikipedia Ronald Coifman, Wikidata Q2165588 |
| Ronald Coifman | VQVAWARC73 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#XVPH |
| Ronald Cramer | JTR6MA1DXD | topic | open | Wikipedia Ronald Cramer, Wikidata Q7364760 |
| Ronald Cramer | VFY61ZYSF2 | topic | open | Wikipedia List of people by Erdős number#OBVD |
| Ronald de Wolf | 67NNBYZ3PA | unknown | open | Wikipedia List of people by Erdős number#1PR9 |
| Ronald DeVore | 2E592WD1KS | topic | open | Wikipedia Ronald DeVore, Wikidata Q1547302 |
| Ronald DeVore | Y41HCADWCW | topic | open | Wikipedia List of people by Erdős number#G29T, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#0RJS |
| Ronald Does | RVKE92XYQ3 | topic | open | Wikipedia List of fellows of the American Statistical Association#V7HQ |
| Ronald Does | SMXEVQ89M0 | topic | open | Wikipedia Ronald Does, Wikidata Q17598488 |
| Ronald Drever | HQ7E26SJPE | unknown | open | Wikipedia List of contributors to general relativity#YP5Z |
| Ronald Fagin | V6RWZE358E | unknown | open | Wikipedia List of people by Erdős number#06LF |
| Ronald Fedkiw | 8CA56JEJTA | topic | open | Wikipedia Ronald Fedkiw, Wikidata Q3710526 |
| Ronald Fintushel | EN9CB9EGDC | topic | open | Wikipedia Ronald Fintushel, Wikidata Q20798861 |
| Ronald Fintushel | QFNA7JE1Q1 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#XG3W |
| Ronald Fisher | G8AQ7PTEWC | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q216723, EoM Fisher,_Ronald_Aylmer, Wikipedia Ronald Fisher |
| Ronald Fisher | K3PP9YKG1A | topic | open | Wikipedia List of people by Erdős number#WTXE, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#6PV0, Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#QWEH |
| Ronald Fisher bibliography | 25Y9XY9MAY | definition | open | Wikipedia Ronald Fisher bibliography, Wikidata Q15989760 |
| Ronald Freedman | KEGD8EQCSH | unknown | open | Wikipedia List of fellows of the American Statistical Association#0K4U |
| Ronald G. Douglas | 8GN0TT45FV | topic | open | Wikipedia Ronald G. Douglas, Wikidata Q2165618 |
| Ronald G. Douglas | W4DG4H5R0Y | topic | open | Wikipedia List of people by Erdős number#Q3E7 |
| Ronald George Douglas | YE3BHBN142 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#GTGZ |
| Ronald Gould | 3CJPJ7FGS6 | topic | open | Wikipedia Ronald Gould (mathematician), Wikidata Q7364972 |
| Ronald Graham | C1XY77ACZT | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q712620, ProofWiki Mathematician:Ronald_Lewis_Graham, Wikipedia Ronald Graham |
| Ronald Graham | Y5M7Y8YGNH | topic | open | Wikipedia List of people by Erdős number#SDWC |
| Ronald J. DiPerna | WB761A2SC7 | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#CSDU |
| Ronald J. Gould | 7649Y3X0D6 | topic | open | Wikipedia List of people by Erdős number#0MVL |
| Ronald J. Stern | 3DR3DA0SPF | topic | open | Wikipedia Ronald J. Stern, Wikidata Q20675719 |
| Ronald J. Stern | 6G3EN16K21 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#Z69Y |
| Ronald Jensen | 3MCP4NT3Y6 | topic | open | Wikipedia List of people by Erdős number#6CAK |
| Ronald Jensen | AEJABGGTBR | topic | open | Wikipedia List of logicians#0KBB |
| Ronald Jensen | E0EWP47J8B | topic | open | Wikipedia Ronald Jensen, Wikidata Q324896 |
| Ronald Kantowski | P8APQS2MRG | unknown | open | Wikipedia List of contributors to general relativity#H0GE |
| Ronald Kay Getoor | KWQ5C6Y0SV | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#KDQA |
| Ronald L. Iman | 9KRQ1XXJ5X | topic | open | Wikipedia List of fellows of the American Statistical Association#VRH5 |
| Ronald L. Iman | EPZH366NYM | topic | open | Wikipedia Ronald L. Iman, Wikidata Q7365041 |
| Ronald L. Rivest | P5T4DABBQ1 | unknown | open | Wikipedia List of cryptographers#IF0L |
| Ronald L. Rivest | PJ1D88QEV6 | unknown | open | Wikipedia List of cryptographers#HL63 |
| Ronald Loui | VDVNQPHB6H | topic | open | Wikipedia Ronald Loui, Wikidata Q7365069 |
| Ronald M. Foster | PGAR6FM091 | topic | open | Wikipedia Ronald M. Foster, Wikidata Q2165697 |
| Ronald Martin Foster | 2DNFPT4PDP | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#K49E |
| Ronald N. Bracewell | AWKBV2K779 | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q3441496, ProofWiki Mathematician:Ronald_Newbold_Bracewell |
| Ronald Pyke | CXCMYHB4KG | unknown | open | Wikipedia List of presidents of the Institute of Mathematical Statistics#CS6R |
| Ronald Raphael Coifman | DHS0SVND6G | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#8QWN |
| Ronald Rousseau | MX0MRTG1R8 | topic | open | Wikipedia Ronald Rousseau, Wikidata Q22965129 |
| Ronald Solomon | 3C6QCAPJ26 | topic | open | Wikipedia Ronald Solomon, Wikidata Q970726 |