Wacław Wąsowicz was a Polish painter and printmaker.

Wacław Wasowicz studied art with Wojciech Gerson (1909–1910), afterwards he studied at the School of Fine Arts in Warsaw (1911–1914), where he was taught by Ignacy Pieńkowski. He had also studied at the Jan Matejko Academy of Fine Arts in Kraków, where he was a student of Jacek Malczewski (1914). He had made his artwork using trompe-l'œil, printmaking, watercolour, he painted on fabric, and on ceramic.

His wife Janina Raabe-Wąsowiczowa was a social worker, and a member of the Konrad Żegota Committee.