Chapchai Nirat (born 5 June 1983) is a Thai professional golfer.
Chapchai is the son of a Thai national team golfer, and turned professional in 1998 as a fifteen year old. He won for the first time as a pro at the 2004 Genting Masters in Malaysia. He joined the Asian Tour in 2005, and had a second place finish in his rookie season. In 2007 he won the TCL Classic, which is co-sanctioned by the Asian Tour and the European Tour and the Hana Bank Vietnam Masters. He was the third Thai to win a European Tour event.
In March 2009, Nirat shot 32-under-par over 72 holes to claim the SAIL Open, setting a new Asian Tour record for the best 72-hole score.
Professional wins (5)
European Tour wins (1)
Asian Tour wins (3)
Other wins (1)
2004 Genting Masters (Malaysia)
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