| Country: | TWN |
| Type: | PH |
| Route: | 82 |
| Established: | October 2000 |
| Alternate Name: | 台西古坑線 (Dongshi-Chiayi Expressway) |
| Length Km: | 33.959 |
| Map: | TW_PHW82route.svg |
| Direction A: | West |
| Terminus A: | in Dongshi, Chiayi |
| Junction: | in Dongshi, Chiayi in Shuishang, Chiayi |
| Direction B: | East |
| Terminus B: | in Shuishang, Chiayi |
| Previous Type: | PH |
| Previous Route: | 78 |
| Next Type: | PH |
| Next Route: | 84 |
Provincial Highway 82 is an expressway, which begins in Dongshi Township, Chiayi County and ends in Shuishang Township, Chiayi County on National Highway No. 3.
The total length is 33.959 km.
The entire route is within Chiayi County.