List of Massachusetts State Deputies of the Knights of Columbus
The Massachusetts State Deputy of the Knights of Columbus is the highest official in the Knights of Columbus within the Commonwealth of Massachusetts.
| State Deputy | Term | Council | Total Members | Total Councils |
| James E. Hayes | 1893–1897 | Bunker Hill Council #62 | ~6,000 | 73 |
| Edward L. Hearn | 1897–1899 | Coeur de Leon Council #87 | ~11,000 | |
| James F. Cavanagh | 1899–1901 | Everett Council #97 | 12,873 | 122 |
| Joseph C. Pelletier | 1901–1906 | Franklin Council #168 | 16,435 | 127 |
| Daniel F. Buckley | 1906–1908 | North Easton Council #238 | 19,033 | 130 |
| William J. O'Brien | 1908–1912 | Robert Fulton Council #134 | 23,742 | 138 |
| Louis T. Watson | 1912–1916 | Brighton Council #121 | 31,815 | 142 |
| Daniel J. Gallagher | 1916–1918 | Dorchester Lower Mills Council #180 | 34,466 | |
| William J. Day | 1918–1921 | Bunker Hill Council #62 | 72,076 | |
| William C. Prout | 1921–1924 | Back Bay Council #331 | 67,891 | 154 |
| Edmund J. Brandon | 1924–1927 | Cambridge Council #74 | 58,557 | |
| John E. Swift | 1927–1930 | Valencia Council #80 | 51,859 | 155 |
| Joseph M. Kirby | 1930–1934 | Fr. John B. DeValles Council #213 | 42,587 | 155 |
| Joseph H. Martin | 1934–1936 | Taunton Council #82 | 38,847 | |
| Patrick J. Moynihan | 1936–1938 | Abp. John J. Williams Council #1308 | 37,971 | 153 |
| John J. Spillane | 1938–1940 | Crusader Council #2706 | 36,697 | |
| Walter G. Powers | 1940–1942 | Taunton Council #82 | 34,971 | 148 |
| Frank W. Tomasello | 1942–1944 | North Quincy Council #22592 | 34,312 | 148 |
| James H. Flanagan | 1944–1946 | Jamaica Plain Council #120 | 38,013 | 152 |
| Joseph L. Francis | 1946–1948 | Dorchester Lower Mills Council #180 | 44,713 | 154 |
| John W. McDevitt | 1948–1950 | Santa Maria Council #105 | 44,713 | 154 |
| Joseph P. Lally | 1950–1952 | Mount Pleasant Council #98 | 47,942 | 154 |
| Daniel J. Fitzgerald | 1952–1954 | Home City Council #63 | 50,157 | 162 |
| Thomas J. Spring | 1954–1956 | Columbus Council #116 | 57,353 | 174 |
| James H. Norton | 1956–1958 | Redberry Council #117 | 62,411 | 183 |
| Thomas G. Feenan | 1958–1960 | Dorchester Lower Mills Council #180 | 66,651 | 193 |
| Joseph E. Boothroyd | 1960–1962 | Maynard Council #2121 | 67,397 | 203 |
| John T. Howland | 1962–1964 | Msgr. James J. Chittick Council #89 | 68,221 | 206 |
| John J. McCullough | 1964–1966 | Reading Council #1031 | 68,517 | 209 |
| John M. Cataldo | 1966–1968 | Ausonia Council #1513 | 65,517 | 211 |
| John E. Nugent | 1968–1970 | North Cambridge Council #269 | 63,561 | 211 |
| Gerard M. O'Meara | 1970–1972 | Dorchester Lower Mills Council #180 | 60,203 | 212 |
| Michael E. Faherty | 1972–1974 | North Quincy Council #2259 | 59,414 | 208 |
| Joseph Arena | 1974–1976 | St. Francis Council #2962 | 60,323 | 207 |
| Francis A. Sheehan | 1976–1978 | Northampton Council #480 | 59,447 | 207 |
| John J. Donovan | 1978–1980 | Norwood Council #252 | 59,548 | 207 |
| Newman A. Flanagan | 1980–1982 | Cardinal O'Connell Council #2919 | 59,496 | 209 |
| Kenneth C. Pearson | 1982–1984 | Stoneham Council #489 | 56,835 | |
| Edmond J. Benoit | 1984–1986 | Mumford Council #365 | 55,730 | |
| Walter L. Almond | 1986–1988 | Belmont Council #332 | 54,883 | |
| John J. Rigali | 1988–1990 | Fairview Council #4044 | 53,883 | |
| John F. Oteri | 1990–1992 | Columbus Council #116 | 53,547 | 217 |
| Kenneth N. Ryan | 1992–1994 | Pere Marquette Council #271 | ||
| P. Frank Fougere | 1994–1996 | Coeur de Leon Council #87 | ||
| Peter J. Giordano | 1996–1998 | Belmont Council #332 | 225 | |
| James R. Sawyer | 1998–2000 | Falmouth Council #813 | ~50,000 | |
| James W. Devine | 2000–2001 | Holyoke Council #90 | ||
| Thomas M. Ledbetter | 2001–2004 | Mt. Pleasant Council #98 | ~46,000 | |
| Richard F. Guerriero | 2004–2006 | St Francis Xavier Council #5027 | ~46,000 | |
| Vincent M. Rumasuglia | 2006–2008 | St. Raphael's Council # 11628 | ||
| William F. Donovan | 2008–2010 | Walpole Council # 1319 | ~45,000 | |
| Michael J. Baldner | 2010–2012 | Dorchester Council #107 | ||
| Peter K. Healy | 2012–2014 | Fitchburg Council #99 | ~43,000 | 270 |
| Russell A. Steinbach | 2014–2016 | Dorchester #107 | ~40,000 | 273 |
| Paul G. O'Sullivan | 2016–2018 | Foxboro/Sharon #6063 | ||
| Paul A. Flanagan | 2018- | San Salvador #200 | ~40,000 | 298 |