| Type: | Route |
| Route: | 3 |
| Tsing Long Highway | |
| Alternate Name: | Part of Route 3 |
| Map: | TsingLongHighwayMap.svg |
| Map Notes: | Map of Tsing Long Highway |
| Header Type: | MUTCDgreen |
| Length Km: | 12.5 |
| Established: | 1998 |
| Direction A: | South |
| Terminus A: | Tsing Yi North |
| Junction: | Four; at at and |
| Direction B: | North |
| Terminus B: | (near) |
| Location1: | ,, and |
| Location2: | , and |
| Location3: | New Territories |
| Location4: | Hong Kong (special administrative region) |
| Location5: | People's Republic of China |
| Label1: | Areas / neighbourhoods |
| Label4: | Country |
| Label5: | Sovereign state |
| Label3: | Subdivision |
| Label2: | Districts |
Tsing Long Highway (;) is a motorway of Route 3 from on Tsing Yi Island to Yuen Long, in Hong Kong. Ting Kau Bridge and Tai Lam Tunnel are part of the motorway. It connects with Cheung Tsing Highway and Lantau Link at its southern end, and San Tin Highway and Yuen Long Highway at its northern end. Its speed limit at parts south of Tai Lam Tunnel and Tai Lam Tunnel is and parts north of Tai Lam Tunnel is .
There are no intermediate exits on the southbound carriageway of Tsing Long Highway on the north of Tai Lam Tunnel, so this entire section is a toll road. Likewise there are no entrances on the northbound carriageway on this section.
The motorway is designated an except for the Tai Lam Tunnel stretch.[1]
Other highways in Kowloon and the New Territories: