Thomas Mooney (1882–1942) was an American labor leader in San Francisco.

Thomas, Tom or Tommy Mooney may also refer to:

• Tom Mooney (baseball) (fl. 1908–1909), American baseball player
• Thomas Mooney (chaplain) (1906–1944), Canadian Catholic chaplain
• Tom Mooney (footballer) (1910–1981), Scottish footballer (Airdrie, Newcastle, Morton)
• Thomas J. Mooney (Maryland politician), American politician who ran against William Donald Schaefer for Governor of Maryland, 1986
• Tom Mooney (rugby league) (born 1952), Australian rugby league footballer
• Tom Mooney (educator) (1954–2006), American labor leader and teacher from Ohio
• Thomas K. Mooney (1962–2007), American diplomat and Army officer
• Tommy Mooney (born 1971), English football player
• Thomas Mooney (footballer) (born 1973), Northern Irish footballer

• California Labor School (formerly known as Tom Mooney Labor School), American educational organization