Kewen is a given name and surname. Notable people with the name include:
Given name Yuan Kewen, Chinese scholar and calligrapher, son of Yuan Shikai Kewen (footballer, born 2005), full name Kewen Andrade Campos, Brazilian footballer
Surname Edward J. C. Kewen, American politician
See also Lù Kèwén, the Chinese name of Kevin Rudd, Australian prime minister and diplomat