Vyacheslav Zaitsev
- Birthday: 1938-03-02
- Deathday: 2023-04-30
- Place of birth: Ivanovo, RSFSR, USSR [now Russia]
- Also know as: Slava Zaitsev
Vyacheslav Mikhailovich Zaitsev (March 2, 1938 – April 30, 2023) was a Russian fashion designer, painter, graphic artist, and theatrical costume designer. He was considered to be one of the most prominent fashion designers of the Soviet Union, and had been compared to Christian Dior and Yves Saint Laurent.
