A sica is an Illyrian, Thracian, Dacian, and Roman sword or dagger.
Sica may also refer to:
Mario Sica (born 1936), Italian diplomat Jessica Jung (nicknamed "Sica") (born 1989), Korean-American singer Sica Ho (born 2000), Hong Kong singer
SICA may refer to:
Central American Integration System (Spanish: Sistema de la Integración Centroamericana) Solomon Islands Christian Association South Indian Cultural Association, Hyderabad South Indian Cultural Association, Indore South Inter-Conference Association Subud International Cultural Association
See also Sicarius (disambiguation)