USCGC Spar is the name of two United States Coast Guard buoy tenders:
- USCGC Spar (WLB-403), commissioned in 1944, decommissioned in 1997 and scuttled
- USCGC Spar (WLB-206), commissioned in 2001
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.