Ölper, formerly a village, is a quarter (Stadtteil) of the city of Braunschweig in Lower Saxony, Germany.

[1] In 1642, the Ölper Tower (Ölper Turm) was built as an outer defence for Braunschweig and a customs post, but it was demolished in 1825 and replaced with a dance hall which still carries the name.

An important part of the early economy of Ölper was a large water mill, the Ölpermühle.

In 1809, during the War of the Fifth Coalition, troops of the Kingdom of Westphalia attempted to block the advance of the Black Brunswickers under Frederick William, Duke of Brunswick-Wolfenbüttel in the second Battle of Ölper.

[1] Recent developments have included the construction of a motorway junction in 1974–78 and the creation of the Ölpersee, a large lake in former gravel workings.