Ribeira de Frades is a former civil parish in the municipality of Coimbra, Portugal. The population in 2011 was 1,902, in an area of 6.10 km. On 28 January 2013 it merged with São Martinho do Bispo to form São Martinho do Bispo e Ribeira de Frades. It was one of the only freguesias with enclaves and exclaves. After the merging its enclave was maintained.

Population of the civil parish of Ribeira de Frades (1864–2011) Year Pop. ±% 1864 587 —     1878 632 +7.7% 1890 723 +14.4% 1900 667 −7.7% 1911 800 +19.9% 1920 803 +0.4% 1930 940 +17.1% 1940 1,124 +19.6% 1950 1,381 +22.9% 1960 1,683 +21.9% 1970 1,848 +9.8% 1981 2,068 +11.9% 1991 1,945 −5.9% 2001 2,064 +6.1% 2011 1,902 −7.8%