Thomas or Tom Collier may refer to:
Thomas Collier (painter) (1840–1891), English landscape painter Thomas Collier (Unitarian) (c. 1615–c. 1691), English General Baptist preacher and Arian polemicist Tom Collier (musician), percussionist and vibraphonist Tom Collier (footballer) (born 1989), Australian rules football player Tom Collier, a character in The Animal Kingdom
See also Thomas (given name) Collier (surname)