Arthur Conrad Reinhart (May 29, 1899 - November 11, 1946) was a Major League Baseball pitcher from 1919-1928.
Reinhart was in born in Ackley, Iowa, and attended the University of Iowa. He was a left-handed pitcher and pitched in the Texas League and other minor leagues.
Reinhart pitched for the St. Louis Cardinals from 1919 to 1928. He played in a total of 123 games, 45 as a starting pitcher. He had a record of 30 wins and 18 losses.
Reinhart died in Houston, Texas, and is interred at Oak Wood Cemetery in Ackley, Iowa.