Leslie William "Toots" Tietje (September 11, 1910 – October 2, 1996) was an American Major League Baseball pitcher with the Chicago White Sox and St. Louis Browns between 1933 and 1938. Tietje batted and threw right-handed. He was born in Sumner, Iowa. Although he played his final big league game on September 4, 1938, he stuck around and played in the minors until 1942. Playing for the Missions in 1939, he went 14–8 with a 3.24 ERA. He went 5–7 with a 4.12 ERA for the Missions in 1940. Playing for the Waterloo Hawks in 1941, he went 9–8 with a 4.11 ERA. In 1942, his final season, he went 0–4.