- a North Atlantic food fish, Pollachius virens, of the cod family.
- pollack.
- English legal scholar and author.
- U.S. painter.
- Sir Frederick. 1845–1937, English legal scholar: with Maitland, he wrote History of English Law before the Time of Edward I (1895)
- Jackson. 1912–56, US abstract expressionist painter; chief exponent of action painting in the US
