- Official Name: Petronas Twin Towers Observation Deck
- Location: 41 and 42nd level of the Petronas Twin Towers, Lower Ground (Concourse) Level, Kuala Lumpur City Centre, 50088 Kuala Lumpur, Malaysia
- Date of opening: August 31, 1999
- Timings: 9 AM to 9 PM (closed on Mondays except on Malaysian public holidays)
- Architect: Cesar Pelli
- Function: Viewpoint
- Height: 370 metres above ground





