SK-1 or SK1 may refer to:

Casio SK-1, a small sampling keyboard Garant 30k SK-1, an East German armored vehicle Hammond SK1, a modern keyboard Saskatchewan Highway 1 SK-1 spacesuit, an early Russian spacesuit sK1 (program), a fork of the Skencil vector graphics editor Sphingosine kinase 1, a protein SK1 (film), a 2014 French film VR Class Sk1, a locomotive class SK1, the special Whitehead group

See also

SKL (disambiguation) ski (disambiguation) SK (disambiguation)