| Office: | Senator |
| Term Start: | 8 September 1943 |
| Term End: | 21 April 1948 |
| Constituency: | Nominated by the Taoiseach |
| Term Start1: | 21 April 1948 |
| Term End1: | 27 February 1950 |
| Term Start2: | 7 September 1938 |
| Term End2: | 8 September 1943 |
| Constituency2: | Labour Panel |
| Birth Name: | John Patrick Campbell |
| Birth Date: | 4 March 1889 |
| Birth Place: | Dublin, Ireland |
| Death Place: | Dublin, Ireland |
| Party: | Labour Party |
| Education: | Synge Street CBS |
| Spouse: | Ellen Donnelly |
Seán Patrick Campbell (4 March 1889 – 27 February 1950) was an Irish Labour Party politician and trade union official.[1] He was a member of the Dublin Typographical Provident Society and served as the president of the Irish Trades Union Congress in 1933.[2]
He was born on 4 March 1889 in Dublin, the son of John Campbell, a labourer, and Isabella Campbell (née Darragh).[2] He was educated at Synge Street CBS, and then became an apprentice printer.[2]
In June 1927, he stood unsuccessfully as a Labour Party candidate in the Dublin South constituency, receiving 1,825 (3.4%) first preference votes.[2] He was elected to Seanad Éireann in 1938 on the Labour Panel.[1] In 1943 and 1944, he was nominated by the Taoiseach to the Seanad. At the 1948 Seanad election, he was again elected by the Labour Panel.[1]
He was married to Ellen Donnelly; they had no children.[2] He died in office on 27 February 1950.[2]