| Porno River | |
| Mouth Location: | Whitianga Harbour |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Length: | 15abbr=onNaNabbr=on |
The Porno River is a river in the Waikato region of New Zealand. It is located on the Coromandel Peninsula, and flows north from its source inland from Tairua, reaching the sea at Whitianga Harbour