Wacław Michniewicz (Lithuanian: Vaclovas Michnevičius; 15 October 1866 – 14 January 1947) was a Polish-Lithuanian architect active in Vilnius, Lithuania.

Wacław Michniewicz was born on 15 October 1866 in the village of Vaitkuškis [lt] (Pabaiskas parish), around 4 km (2.5 mi) south of Ukmergė.

[1] He graduated from the Russian Real School in Vilnius in 1888, then studied at the Institute of Civil Engineers [ru] in St. Petersburg.

[3] In 1912, Michniewicz left the city service and, together with Aleksander Parczewski, founded the design and construction bureau "Architekt".

After returning to Lithuania, he bought back the family house in Strebeikiai [lt] from relatives, where he settled, dividing his time between it and his work in Kaunas.