Sea foam is a type of foam that appears in bodies of salt water. It can also refer to:
Honeycomb toffee, a type of candy A shade of the color green A literal translation of "meerschaum" Hugh "Seafoam" McDuck, a Disney character who is an ancestor of Scrooge McDuck and Donald Duck An engine additive added to oil or gasoline, manufactured by the Seafoam Company of Chaska, Minnesota The plant Teloxys aristata is also known as 'Seafoam' Seafoam, Nova Scotia