| Reigate |
Constituencies of same name also existed 1832-1868 and 1885-1974¹. |
| Reigate |
Disenfranchised for bribery in 1867. Constituency of same name also existed 1885-1974¹, and another of the same name reformed 1983. |
| Reigate |
Full name (in Craig 2,3,4) Surrey, Reigate. Constituency of same name also existed 1832-1868, and another of the same name reformed 1983. |
| Reigate and Banstead |
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| Renfrewshire |
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| Renfrewshire East |
Constituency of same name formed 2005. |
| Renfrewshire East |
Constituency of same name also existed 1950-1983. |
| Renfrewshire Eastern |
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| Renfrewshire West |
Seat of same name reformed 1997 |
| Renfrewshire Western |
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| Renfrew West and Inverclyde |
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| Rhondda |
Full name (in Craig 2) Glamorganshire, Rhondda. Constituency of same name reformed in 1974¹. |
| Rhondda |
Constituency of same name also existed 1885-1918. |
| Rhondda East |
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| Rhondda West |
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| Ribble Valley |
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| Richmond and Barnes |
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| Richmond Park |
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| Richmond [Surrey] |
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| Richmond Upon Thames Richmond |
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