The 2011 Pacific marine mammal stock assessments include revised stock assessments for nine Pacific marine mammal stocks under NMFS jurisdiction, including four “strategic” stocks (Hawaiian monk seal, Southern Resident killer whale, Hawaii Insular false killer whale, Hawaii Pelagic false killer whale), and five “non-strategic” stocks (California sea lion, California harbor seal, Northern Oregon/Washington coast harbor porpoise, Washington Inland waters harbor porpoise, and Palmyra Atoll false killer whale). New information on a population viability analysis for the stock of Hawaii Insular false killer whale is presented.