| Country: | NOR |
| Type: | rv |
| Route: | 22 |
| Map Custom: | yes |
| Length Km: | 117.3 |
Riksvei 22 (Rv22) runs between Hvam in Lillestrøm and Øra in Fredrikstad. The road is 117.3 km, of which 35.8 km is in Akershus and 81.5 km in Østfold.
Route: Hvam - Kjeller - Lillestrøm - Vinsnes - Fetsund, crossing Glomma - south, and then east through Øyeren - Båstad - Skjønhaug - Mysen - Rakkestad - Ise - Hafslund - Årum - - Sellebakk - Lundheim - Øra.
Prior to 1 January 2010, the road ran between Gjelleråsen and Halden, see fylkesvei 22. In March 2019, the road was extended from Rakkestad to Fredrikstad, replacing Riksvei 111.