Jonathan Lee Singleton (born September 18, 1991) is an American professional baseball first baseman who is a free agent.
He played in Major League Baseball (MLB) for the Houston Astros in 2014 and 2015.
After growing up in Long Beach, California, Singleton was drafted by the Philadelphia Phillies in 2009.
He was one of several prospects traded to the Astros in exchange for Hunter Pence in 2011.
He signed a $10 million contract with the Astros before making his major league debut in 2014, but he struggled, last playing for the Astros in 2015 before they relegated him to the minor leagues and releasing him in 2018.