Collins is a British or Irish surname of uncertain origin.

In the works of Harry Turtledove, the following are named Collins:

Collins (Southern Victory), a Confederate physicist and minor character in Settling Accounts: The Grapple.
Colonel Collins, a US Army officer and minor character in Worldwar: In the Balance.
Michael Collins, a historical Irish soldier and politician referenced in American Empire: Blood and Iron.
Ted Collins, an educator, POV character of "Gladly Wolde He Lerne".