Tom Leahy

Tom Leahy may refer to:
 * Tom Leahy (footballer) (1888–1964), Australian rules footballer for Norwood, South Australia
 * Tommy Leahy (footballer) (1870–1916), Australian rules footballer for Essendon
 * Tommy Leahy (Kilkenny hurler) (1907–1978), Irish hurler
 * Tom Leahy (hurler) (born 1964), Irish hurler for Kilkenny
 * Tom Leahy (baseball) (1869–1951), American baseball player
 * Tom Leahy (athlete), Paralympic athlete from Ireland
 * Tommy Leahy (Tipperary hurler) (1905–1981), Irish hurler
 * Tom Leahy Jr., played Major Astro on Major Astro, a children's television show in Wichita, Kansas
 * Thomas Leahy, pioneer in early Cedar Mill, Oregon