Oskar Albinus "Albin" Stenroos (24 February 1889 – 30 April 1971) was a Finnish runner, who won the marathon at the 1924 Olympics.

At the 1912 Summer Olympics, Stenroos won the bronze medal over 10,000 m behind Kolehmainen.

He also finished sixth in the cross country and aided his team to second place.

He skipped the 1920 Summer Olympics, but decided to run the marathon in 1924.

He won the race in hot conditions, beating second-placed Romeo Bertini by almost six minutes.