Masjid Omar Kampong Melaka (or Omar Kampong Malacca Mosque; Jawi: مسجد عمر کامڤوڠ ملاک) is a mosque in Singapore, and is located at Keng Cheow Street in the Singapore River Planning Area, within the Central Area, Singapore's central business district.

The mosque is owned by Majlis Ugama Islam Singapura.

[1] The mosque is accessible from Clarke Quay MRT station.