| John Francis Xavier Davoren | |
| Office: | 24th Massachusetts Secretary of the Commonwealth |
| Governor: | John Volpe Francis Sargent |
| Predecessor: | Kevin H. White |
| Successor: | Paul H. Guzzi |
| Term Start: | 1967 |
| Term End: | 1974 |
| Office2: | Speaker of the Massachusetts House of Representatives |
| Predecessor2: | John F. Thompson |
| Successor2: | Robert H. Quinn |
| Term Start2: | 1964 |
| Term End2: | 1967 |
| Office3: | Majority Leader of the Massachusetts House of Representatives |
| Predecessor3: | Cornelius F. Kiernan |
| Successor3: | Robert H. Quinn |
| Term Start3: | 1962 |
| Term End3: | 1964 |
| Office4: | Member of the Massachusetts House of Representatives 9th Worcester District |
| Term Start4: | 1955 |
| Term End4: | 1967 |
| Birth Date: | July 27, 1915 |
| Birth Place: | Milford, Massachusetts[1] |
| Death Place: | Dennis, Massachusetts[2] |
| Alma Mater: | College of the Holy Cross (BA) |
| Party: | Democratic Party |
| Profession: | Lawyer, Politician |
| Residence: | Milford, Massachusetts Dennis, Massachusetts |
| Allegiance: | United States of America |
| Branch: | United States Navy |
| Battles: | World War II |
John Francis Xavier Davoren (July 27, 1915 – August 24, 1997) was a U.S. politician who served as a member of the Massachusetts House of Representatives from 1955 to 1967 and Massachusetts Secretary of the Commonwealth from 1967 to 1974. While in the house, he served as the House Majority Leader from 1962 to 1964 and Speaker from 1964 to 1967. Davoren left the House of Representatives in 1967 after he was elected Secretary of the Commonwealth.