Masayasu is both a given name and a surname. Notable people with the name include:
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Hotta Masayasu (1848–1911), Japanese politician
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Inaba Masayasu (1640–1684), Japanese feudal lord
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Masayasu Wakabayashi
is a Japanese comedian, television presenter, actor, and author. He performs ''tsukkomi'' in the comedy duo Audrey. His partner is Toshiaki Kasuga. He is represented with K Dash Stage. He has a sister who is two years older than him.
Wakabayashi ...
(born 1978), Japanese comedian, television presenter, and actor
{{given name, type=both