Theodorus Antoon "Theo" Saat (13 May 1928 – 2 June 2015) was a Dutch sprinter. Saat competed at the 1952 Summer Olympics in the 100 m and 200 m events, but failed to reach the finals. At the 1954 European Athletics Championships he finished in sixth place in the 100 m; he was also part of the Dutch team that set a national record in the 4 × 100 m relay in the preliminaries. He died in Noordwijk in 2015.