Sik

Sik or SIK may refer to:
 * Sik District, Kedah, Malaysia
 * Sik (federal constituency), Dewan Rakyat, Malaysia
 * Sik, Iran, a village
 * Sik (roller coaster), an amusement park ride at Flamingo Land, United Kingdom
 * Sik, South Khorasan, a village in Iran
 * Sik (goat), nickname for Netherlands NS Class 200 locomotives