Rudi Keil (born 8 December 1977, in Johannesburg, South Africa) is a rugby union centre.
Keil moved to Sale from Gloucester. One of Keil's best performances for Gloucester was when he scored 2 tries against Saracens on 4 November 2006. He signed with French club Nice in 2011. He is also now eligible to play for the United States national rugby union team.