Lekkum is a village in Leeuwarden municipality in the Friesland province of the Netherlands. It had a population of around 405 in January 2017.
De Bullemolen in Lekkum marks the finishing point of the .
The village was first mentioned in the 13th century as Lackum. The etymology is unclear. The Dutch Reformed church was built in 1778 as a replacement for a medieval church. The tower was rebuilt in 1896. The polder mill De Bullemolen was built in 1825. Since 2006, it serves as a backup for the pumping station. In 1840, Lekkum was home to 127 people.
Before 1944, Lekkum was part of Leeuwarderadeel municipality.