Kaasiku

Kaasiku may refer to several places in Estonia:


 * Kaasiku, Harju County, village in Kernu Parish, Harju County
 * Kaasiku, Hiiu County, village in Hiiumaa Parish, Hiiu County
 * Kaasiku, Jõgeva County, village in Mustvee Parish, Jõgeva County
 * Kaasiku, Lääne County, village in Lääne-Nigula Parish, Lääne County