Alvin Osterback (January 21, 1915 – November 24, 2005) was an American businessman, commercial fisherman, and politician.
Osterback served in the United States Army during World War II.
He was a commercial fisher and was involved with home construction.
Osterback served in the Alaska House of Representatives from 1974 until 1980 and was a Democrat.
Osterback died at Mary Conrad Center assisted living in Anchorage, Alaska.