Gérald Merceron (born February 25, 1973 in Cognac) is a French former rugby union player who won 32 caps playing at fly-half for the French rugby union side. Unusually he favoured a cone when kicking at goal; the only other player in the modern game to do the same is Chris Ellis.
He made his international test debut at the age of 26 on 3 June 1999 as a replacement against Romania which was won 65-8. Merceron amassed an impressive 267 test points during his 32 appearances for the French side over 4 years, slotting 57 penalties, 36 conversions and 3 drop goals as well as scoring 3 tries. He was the highest scorer in the French Grand Slam of the 2002 Six Nations Championship with 80 points. His final appearance in a French jersey was in the third/fourth place play-off match against New Zealand during the 2003 Rugby World Cup. He has played for both RC Toulon and ASM Clermont Auvergne in France. His last club was La Rochelle.
He retired at the end of the 2007-2008 season.