CW 1 may refer to:
Astronomy (5209) 1989 CW1, a Jupiter Trojan minor planet (48605) 1995 CW1, a main-belt minor planet (65896) 1998 CW1, a main-belt minor planet
Other uses CW-1 Junior, a 1930s American a light sports aircraft CW1, a postcode district in the CW postcode area in Cheshire, England CW-1 visa, a non-immigrant visa which allows travel to the United States for temporary workers to be employed in the Commonwealth of the Northern Mariana Islands