Harmlessness is the absence of harm.

Harmlessness or harmless may also refer to:

Legal Hold harmless, legal term in the contract law concept of indemnity Harmless error, a mistaken ruling by a trial judge that does not meet the burden to reverse the original decision

Art and media Harmlessness, 2015 album by The World Is a Beautiful Place & I Am No Longer Afraid to Die "Harmlessness", song by Shona Laing on the 1994 album Shona Mostly Harmless, the fifth book in The Hitchhiker's Guide to the Galaxy

Other uses Ahimsa, meaning "not to injure" and "compassion" and refers to a key virtue in Indian religions Harmless serotine, species of vesper bat Harmless (sublabel), label of the Demon Music Group