Orogenez, orogenezis (yunoni oros — kud va …askez), kuhpaydoshavi, harakathoi kuhpaydoshaviest, ki dar nohiyahoi geosinklinali az tasiri massahoi tazyiqovar ba amal meoyand. Istilohi «Orogenez»- ro soli 1890 geologi amerikoi G. Dilbert ba ilm jori namud.
Avvalho chunin meshumoridand, ki az Orogenez jinho va kuhho paydo meshavand. Ba fikri olimoni soveti ba Orogenez tanho hodisai kuhpaydoshavm khos buda, jinho pesh az paydoishi kuhho, dar natijai harakathoi digar ba vujud meoyand. Dar Osiyoi Miyona Orogenez beshtar dar davrahoi neogen va chorumin ruy dodaast. Kuhhoi Tiyonshon, Pomir va gayra dar natijai O. paydo shudaand.