Martin Woolf Sr. (October 18, 1858 – August 25, 1928) was a politician, civil servant and police magistrate from Alberta, Canada.

Woolf married Roseltha Hyde, on July 23, 1880, at Salt Lake City, Utah; the couple had 9 children.

Woolf was a big supporter and advocate of prohibition and helped keep the dry laws on the books in Cardston County.

[2] Woolf first ran for a seat to the Alberta Legislature in a by-election held on May 27, 1912, as a Liberal candidate in the electoral district of Cardston.

The election was hotly contested with Woolf winning by a slim 139 vote plurality to hold the seat for his party.