| Tseung Kwan O Tunnel | |
| Location: | Hong Kong |
| Coordinates: | 22.3188°N 114.2458°W |
| Route: | Route 7 |
| Start: | Sau Mau Ping |
| End: | Tseung Kwan O New Town near Tsui Lam Estate |
| Owner: | Hong Kong Government |
| Operator: | Greater Lucky (H.K.) Company |
| Traffic: | Vehicular |
| Toll: | No |
| Length: | 900m (3,000feet) |
| Lanes: | 4 (2 per direction) |
| Speed: | 70kph |
Tseung Kwan O Tunnel is a 900-metre tunnel beneath Ma Yau Tong in Hong Kong. The tunnel was opened on 9 November 1990.[1] Part of Route 7, it links Sau Mau Ping, Kwun Tong, Kowloon and the Tseung Kwan O New Town, Sai Kung District, the New Territories. It was used by 80,385 vehicles daily in 2011.[2]
The flat toll fee for the tunnel is HK$3 since opening.[3] The toll fee has been waived since the opening of Tseung Kwan O–Lam Tin Tunnel on 11 December 2022.
This tunnel is connected to Tseung Kwan O Road on the Kowloon side along with its toll plaza, and Tseung Kwan O Tunnel Road on the Tseung Kwan O side.
Tseung Kwan O Tunnel is currently managed by Greater Lucky (H.K.) Company Limited.