The Saidina Umar Al Khattab Mosque () is a prominent mosque in Bukit Damansara (Damansara Heights), Kuala Lumpur, Malaysia.
The mosque was officially opened on 22 March 1984 by the seventh Yang di-Pertuan Agong, Sultan Ahmad Shah of Pahang and was named after Muhammad's successor (Caliph) Umar Al Khattab.