Sir Ian Robert McGeechan, OBE (born 30 October 1946) is a Scottish rugby union coach and former player.

Born in Leeds, McGeechan represented Headingley as his only club during a 15-year club career. Qualifying for Scotland through his father, he played 32 times for Scotland over 7 years and won 8 caps on two tours for the British & Irish Lions. During his playing career he worked as a teacher.

After retiring from playing McGeechan began coaching. In a career spanning 26 years he coached the most recent Scottish side to win a Grand Slam in the 1990 Five Nations Championship, and won Premiership Rugby & the European Cup with London Wasps in 2008 and 2007. He was head coach on four tours for the British & Irish Lions from 1989 to 2009 and was an assistant to the 2005 tour.

McGeechan was born in Leeds to a Glaswegian father who was in the Argyll and Sutherland Highlanders. He attended West Park County Secondary School and Moor Grange County Secondary School and became head boy before training to be a PE teacher at Carnegie Physical Training College (now part of Leeds Metropolitan University). Although his family mostly played football, he took to rugby while in school.

McGeechan played for Headingley and made his debut for Scotland in 1972. He won thirty-two caps, playing at fly-half and centre. He captained Scotland on nine occasions. He toured with the British & Irish Lions in both 1974 and 1977.

In 1986, McGeechan became the assistant Scotland coach to Derrick Grant and in 1988 he was promoted to coach. In 1990 his team won a Grand Slam victory in the Five Nations Championship. His forwards coach and partner was Jim Telfer.

McGeechan was the British & Irish Lions head coach in 1989, 1993, 1997 and 2009. In 2005, he coached the midweek side on the Lions' tour to New Zealand on the invitation of Sir Clive Woodward.

In 1994, McGeechan was appointed as Director of Rugby at Northampton and in 1999 replaced Jim Telfer as Scottish Director of Rugby.