Head, in sailing or power boating term may refer to:

1. The bow

2. A head sea which is a series of waves from ahead.
3. A head wind is wind from ahead.
4. A boat's toilet or toilet room, both of which traditionally were located in the bow. An enclosed head is a toilet with a door. The head is the name for a marine toilet and its compartment.

See also:
"Head" is in the HS Code "8459"