"Lou" Ahrens (1906 – September 3, 1964)[1][2] was an American soccer forward who spent his entire career in the St. Louis Soccer League.
In 1931, he is listed with Stix, Baer and Fuller F.C.
In 1932, Stix, Baer and Fuller went to the final of the 1932 National Challenge Cup where they fell to the New Bedford Whalers 8–5 on aggregate.
Ahrens scored a goal in the second game.
He was inducted into the St. Louis Soccer Hall of Fame in 1975.