Robert Millar (May 12, 1890 – February 22, 1967) was a Scottish American soccer forward and coach of the U.S. national team at the first FIFA World Cup, in 1930. During his at times tumultuous Hall of Fame career, Millar played with over a dozen teams in at least five U.S. leagues as well as two seasons in the Scottish Football League. He finished his career as a successful professional and national team coach.