Martin Ryan (31 January 1900 – 22 July 1943) was an Irish Fianna Fáil politician. He was first elected as a Fianna Fáil Teachta Dála (TD) for the Tipperary constituency at the 1933 general election. He was re-elected at the 1937, 1938 and 1943 general elections. He died while still in office in 1943. No by-election was held for his seat, but his widow Mary Ryan was elected at the 1944 general election for the same constituency.