Ross Ian Thomas McGowan (born 23 April 1982) is an English professional golfer.

McGowan was born in Basildon, Essex, and grew up in Banstead, Surrey and educated at Epsom College. He went to university in the United States and played collegiate golf at the University of Tennessee. McGowan won the 2006 English Amateur, where he defeated Oliver Fisher in the final by the score of 5&4. Shortly after that he turned professional.

McGowan led the 2007 Challenge Tour Rankings going into the Apulia San Domenico Grand Final, thanks to two wins and three runner-up finishes during the year. Having finished in a tie for 28th place in the final event of the season, he dropped to second place on the money list, as Michael Lorenzo-Vera won the tournament and jumped to the top of the Challenge Tour's money list.