Sanica (Serbian Cyrillic: Саница) is a village in the municipality of Ključ, Bosnia and Herzegovina.

[1] In November 2013, a giant sinkhole abruptly began forming where a pond had been.

[2] The postal code is 79285.

According to the 2013 census, its population was 1,337.

This Una-Sana Canton geography article is a stub.