Arm and hammer is a symbol of industry, and the god Vulcan.

Arm and hammer may also refer to:

Arm & Hammer, brand of baking soda products Arm & Hammer Park, formerly Mercer County Waterfront Park, in Trenton, New Jersey, USA Armnhmr, electronic music duo that did a remix of "Closer" (The Chainsmokers song)

See also Armand Hammer (disambiguation) Hammer and sickle (disambiguation)