| Sir John St. Luce | |
| Office1: | Finance Minister of Antigua and Barbuda |
| Primeminister1: | Vere Bird |
| Term Start1: | 1978 |
| Term End1: | 1982 |
| Predecessor1: | Reuben Harris |
| Successor1: | Vere Bird |
| Office2: | Finance Minister of Antigua and Barbuda |
| Primeminister2: | Vere Bird |
| Term Start2: | 1982 |
| Term End2: | 1991 |
| Predecessor2: | Vere Bird |
| Successor2: | Lester Bird |
| Office3: | Finance Minister of Antigua and Barbuda |
| Primeminister3: | Lester Bird |
| Term Start3: | 1994 |
| Term End3: | 1994 |
| Predecessor3: | Molwyn Joseph |
| Successor3: | Molwyn Joseph |
| Office4: | Finance Minister of Antigua and Barbuda |
| Primeminister4: | Lester Bird |
| Term Start4: | 1996 |
| Term End4: | 2001 |
| Predecessor4: | Molwyn Joseph |
| Successor4: | Lester Bird |
| Party: | Antigua Labour Party |
| Term Start: | 1976 |
| Term End: | 2004 |
| Birth Name: | John Eugene St. Luce |
| Birth Date: | 1940 |
| Nationality: | Antiguan |
| Profession: | politician |
Sir John Eugene St. Luce, KGCN,[1] (born 1940), is an Antiguan politician from the Antigua Labour Party (ALP). He attended the University of London and majored in economics and social sciences.[2] In 1971, he was appointed to the Senate.[3] In 1976, he was elected to the House of Representatives. He was subsequently re-elected until his retirement from active politics in 2004. He held several portfolios in the Cabinet of Antigua and Barbuda: Minister of Agriculture, Home Affairs, Health, Public Works, Public Utilities and Communications and Finance. He lost to Lester Bird when there was a vote for successor of Vere Bird as the chairman of the ALP.
He was knighted and received Order of Merit in 2017.[4]