Boris and Gleb Cathedral (Ukrainian: Собор Бориса й Гліба), also known as Borysohlibskyi Cathedral (Ukrainian: Борисоглібський собор), is a former church and an architectural monument in Chernihiv, Ukraine of the pre-Mongol era.

[2] Boris and Gleb Cathedral was damaged and reconstructed several times throughout its existence.

An octagonal rotunda-narthex was added to the western facade in the style of Ukrainian Baroque in 17th century.

[2] In the beginning of 18th century, by order of Hetman Mazepa, Philipp Jacob Drentwett of Augsburg made the silver royal doors of the church.

[2] The cathedral has been on the UNESCO World Heritage Site tentative list since 1989.