Alamsyah is both a given name and a surname. Notable people with the name include:
Given name:
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Alamsyah Nasution (born 1981), Indonesian footballer
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Alamsyah Ratu Perwiranegara
Alamsyah Ratu Perwiranegara (25 December 1925 – 8 January 1998) was an Indonesian retired military general and politician who served as State Secretary Minister, Coordinating Minister of People's Welfare, Minister of Religious Affairs, and Amba ...
(1925–1998), Indonesian military officer and diplomat
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Alamsyah Yunus (born 1986), Indonesian badminton player
Surname:
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Donny Alamsyah (born 1978), Indonesian actor
{{given name, type=both