St. Giles' Church, Costock is a parish church in the Church of England in Costock, Nottinghamshire.

The church is Grade II listed by the Department for Digital, Culture, Media and Sport as it is a building of special architectural or historic interest.

The church was medieval but a north aisle was added in 1848 by G. G. Place and it was restored in 1862 by Gilbert Scott.

[1] It is in a group of parishes which includes: