Seawolf
- Consolidated TBY Sea Wolf
- Erie SeaWolves
- Gonakadet
- HA(L)-3
- John D. Bulkeley
- Mississippi Sea Wolves (FPHL)
- North Sound SeaWolves
- Orca
- Orlando SeaWolves
- Rostock Seawolves
- S-class destroyer (1917)
- SSN-21 Seawolf
- Sea Wolf (bakery)
- Sea Wolf (band)
- Sea Wolf (comics)
- Sea Wolf (miniseries)
- Sea Wolf (missile)
- Sea Wolf (video game)
- Sea Wolves (film)
- Seattle Seawolves
- Seawolf (fish)
- Seawolf AUV
- Seawolf-class submarine
- Sonoma State University
- South American sea lion
- Stony Brook Seawolves
- Tabor Academy (Massachusetts)
- Taiwan
- The Sea Wolf (1913 film)
- The Sea Wolf (1920 film)
- The Sea Wolf (1926 film)
- The Sea Wolf (1930 film)
- The Sea Wolf (1941 film)
- The Sea Wolf (1993 film)
- The Sea Wolf (1997 film)
- The Sea Wolf (comic book)
- The Sea Wolves
- The Sea Wolves (1925 film)
- The Sea-Wolf
- Thomas Cochrane, 10th Earl of Dundonald
- Thunder Tiger
- U.S.S. Seawolf (novel)
- UNB Saint John Seawolves
- University of Alaska Anchorage
- Vancouver Coastal Sea wolf
- Will Tye
- Wolfpack Seewolf