| Office: | Senator |
| Term Start: | 14 December 1961 |
| Term End: | 23 June 1965 |
| Term Start1: | 27 April 1938 |
| Term End1: | 22 May 1957 |
| Constituency1: | Labour Panel |
| Office2: | Teachta Dála |
| Term Start2: | June 1922 |
| Term End2: | June 1927 |
| Birth Date: | 1891 |
| Birth Place: | Ballinamult, County Waterford, Ireland |
| Death Place: | Dungarvan, County Waterford, Ireland |
| Spouse: | Jo Butler |
| Children: | Pierce Butler |
John Butler (1891 – 16 February 1968) was an Irish politician, farmer and trade union official. He was first elected to Dáil Éireann at the 1922 general election for the Waterford–Tipperary East constituency as a Labour Party Teachta Dála (TD).[1] He was re-elected for the Waterford constituency at the 1923 general election. He lost his seat at the June 1927 general election. He stood for the Dáil again at several subsequent general elections but was not elected.[2]
In 1933 he joined Fine Gael on its formation and unsuccessfully stood as a party candidate at the 1937 and 1943 general elections for the Waterford constituency.
He was elected to the 2nd Seanad on the Labour Panel in 1938. He served in the Seanad until losing his seat at the 1957 Seanad election. He was re-elected on the Labour Panel at the 1961 Seanad election, and he did not contest the 1965 election.[2]
His son Pierce Butler also served as a Senator from 1969 to 1983.[3]