John Patrick Roy Lamsam (born 15 May 1980) is a Hong Kong cricketer who has played 8 One Day Internationals and four ICC Trophy matches between 1997 and 2008.
In his debut match in the ICC Trophy, he was the seventh-choice bowler for Hong Kong, bowling the final over against Canada.
Lamsam was selected to play for Hong Kong in the 2004 Asia Cup, scoring eight runs and taking zero wickets against Bangladesh.
He played a second ODI against India at the 2008 Asia Cup, scoring 16 before being run out by MS Dhoni.
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