MAZ-303 is a Belarusian low-floor city bus of the third generation of the Minsk Automobile Plant, produced since 2019.

First presented in 2019, it was soon announced that the city of St. Petersburg was interested in purchasing this bus. In 2020, the MAZ-303.266 bus of the Euro-6 environmental standard entered the Kolpinsky bus depot of the St. Petersburg State Unitary Enterprise Passazhiravtotrans. The first electric bus MAZ-303.E10 arrived in St. Petersburg in 2021. From 2023 to 2024, 14 MAZ-303E electric buses are being built for the city of Zhodino at the Eton enterprise.