Ar-Rahimiah Mosque is a Jamek Mosque located in Klang district , Selangor , Malaysia . It became a center of worship for the local community. This mosque was inaugurated by His Majesty Sultan Salahuddin Abdul Aziz Shah Ibni Almarhum Sultan Hishamuddin Alam Shah on November 14, 1986. It can accommodate up to 6,000 worshippers.

The Jamek Ar-Rahimiah Mosque, Klang which has 3 floors is the largest mosque in the Klang district where it was once the Selangor State Mosque before the completion of the Sultan Salahuddin Abdul Aziz Shah Mosque (Shah Alam Mosque)

Ar-Rahimiah Mosque is located at Latitude 3 degrees, 1 minute, 12 seconds North and Longitude 101 degrees, 26 minutes, 26 seconds East. The Qibla direction is at 292 degrees, 37 minutes, 42 seconds. The construction cost of RM 8,665,000.00 was financed by the Selangor state government .