|Born||23 June 1961|
|World Rally Championship record|
|First rally||1983 Safari Rally|
|First win||1994 Safari Rally|
|Last rally||1999 Safari Rally|
Ian Duncan (born 23 June 1961) is one of Kenya's most successful rally drivers. He was Kenyan Rally Champion six times (1987, 1988, 1989, 1991, 2000 and 2011), and achieved outright victory in a World Rally Championship round when he won the 42nd Trustbank Safari Rally in 1994. This was one of seven consecutive top ten finishes in the event from 1990–1996, despite its notorious attrition rate.
He spent his childhood at his parents' farm in Limuru. His first tastes of driving occurred when he was aged around ten, as he helped his mother when she got stuck at farm roads during rainy seasons. He went to St. Mary's High School, but was more interested in repairing cars and motorcycles. He also competed in motocross winning the national 125 cc title in 1979 and 1980. He competed at the Safari Rally first time in 1983 driving a Nissan pick-up navigated by Gavin Bennett, reaching ninth position and a class victory, gaining the attention of rally people[who?].
His first victorious national rally was Nakuru Rally in 1987 while driving a Toyota Celica twin-cam turbo navigated by Ian Munro. Duncan won his first national championship the same year winning most of the races. He won the 1987 national Motor Sportsman of the Year Award.
Having competed with a Group A Subaru Legacy RS and Toyota Celica Turbo 4WD in the 1990s. Apart from Safari Rally, he competed in WRC rallies only few times. The best result was finishing 8th overall and winning the Group N class in a Subaru Legacy RS at the 1990 Acropolis Rally in Greece, navigated by Yvonne Mehta (the wife of Shekhar Mehta).
Later he was running a non-homologated Toyota Hilux with a turbocharged 4.5 L engine in the Kenyan National Rally Championship (KNRC). In November 2006 Duncan won Guru Nanak Rally, becoming the first driver to win a KNRC round for tenth time. He was imposed a four percent time penalty due to his non-homologated vehicle. He extended the record in 2007 by winning Guru Nanak Rally again.
He introduced his newest rally car, a Nissan Patrol pick-up, in October 2008. In 2008 he also won the national autocross championship. In 2009, 15 years after winning the Safari Rally proper, Duncan won the Safari classic rally driving a 1968 Ford Mustang navigated by his current navigator Amaar Slatch. The defending champion Björn Waldegård was left to the second place.
In 2011 he won the Kenyan National Rally Championship for the sixth time. Duncan entered the 2011 Classic Safari Rally as a defending champion, now driving a Ford Capri. He finished seventh  The next year he became close to win his second Safari Rally, now with ARC status, but lost to Carl Tundo by just 15 seconds 
|1||42nd Trustbank Safari Rally||1994||David Williamson||Toyota Celica Turbo 4WD|
- Kenyan Rally Championship Archived 2007-05-21 at the Wayback Machine, WRC Place
- Duncan's mustang ride to victory, Daily Nation, 26 December 2009
- "Rallying: Rains pose challenges for drivers"[permanent dead link], Daily Nation, 23 June 2007
- 37th Acropolis Rally, Rallybase.nl
- "Duncan zooms to victory in Guru"[permanent dead link], Samson Ateka, The Standard, 20 November 2006
- "Tundo crowned as Duncan wins Guru Nanak"[permanent dead link], Ochieng’ Ogodo, The Standard, 22 October 2007
- "Ian Duncan retains Rhino Charge crown"[permanent dead link], Samson Ateka, The Standard, June 5, 2007
- Rose takes over KNRC, Daily Nation, 29 December 2003
- Ian Duncan returns to action, Daily Nation, 3 October 2008
- Duncan wraps up Autocross title[permanent dead link], Coastweek, 17 October 2008
- Duncan wins classic rally[permanent dead link], Capital FM, 1 December 2009
- The Standard, October 23, 2011: Victory again
- East African Safari Rally 2011 - official results Archived 2012-02-10 at the Wayback Machine
- Daily Nation, 10 June 2010: Fourth Safari win for Tundo
- Profile of Duncan at Rallybase.nl, including international results
- Report on Duncan's victory in the 1994 Safari Rally
- Kenya National Rally Championship, official site