| Office: | Teachta Dála |
| Term Start: | June 1952 |
| Term End: | October 1961 |
| Constituency: | Waterford |
| Party: | Fianna Fáil |
| Birth Place: | Villierstown, County Waterford, Ireland |
| Death Place: | County Waterford, Ireland |
| Children: | Billy Kenneally |
| Relatives: | Brendan Kenneally (grandson) |
William Kenneally (1899 – 13 September 1964)[1] was an Irish politician. A native of Curradara, Villierstown, County Waterford,[1] he was elected to Dáil Éireann as a Fianna Fáil Teachta Dála (TD) at the Waterford by-election held on 26 June 1952 which caused by the death of Bridget Redmond of Fine Gael.[2] He was re-elected for the Waterford constituency at the 1954 and 1957 general elections. He did not contest the 1961 general election.[3]
His son Billy Kenneally also served as a TD for Waterford from 1965 to 1982 and his grandson Brendan Kenneally is a former TD for Waterford.[3]