Cresciano is a former municipality in the district of Riviera in the canton of
Ticino 
in Switzerland.
On 2 April 2017, the former municipalities of
Iragna 
, Lodrino, and
Osogna 
merged into the new municipality of Riviera.
History
Cresciano is first mentioned in 1269 as Crazano.
During the construction of the Gotthard railway in the 19th century, traces of a Bronze Age settlement were found. An Imperial charter from 978 mentions a
cortis Crissianicum owned by the monastery of
San Pietro in Ciel d'Oro 
in Pavia. Like the neighboring communities, Cresciano was owned by the Cathedral of
Milan 
.