Pelkey is a surname. Notable people with the surname include:
Amanda Pelkey (born 1993), American ice hockey forward Arthur Pelkey (1884–1921), Canadian boxer Charles Pelkey (born 1958), American politician Michael Pelkey (born 1940), American skydiver Robin Pelkey (1963–1983), American murder victim
See also Dan's City Used Cars, Inc. v. Pelkey, 2013 United States Supreme Court case Pelkey Lake, in Minnesota