Alex Williams may refer to:
Alex Williams (actor), Australian actor
Alex Williams (alpine skier), American alpine skier
Alex Williams (footballer, born 1961), English goalkeeper
Alex Williams (footballer, born 1983), Scottish striker
Alexander Williams (cartoonist), animator and cartoonist
Alexander S. Williams, NYPD police inspector
Alexander Williams, Jr. (born 1948), U.S. federal judge
Alex Williams (Australian footballer) (born 1993), Australian rules football player for Fremantle in the AFLW
Alex Williams, co-author of Inventing the Future: Postcapitalism and a World Without Work
