Annika Saarnak (from 2014 Annika Aljand, born 19 September 1988) is an Estonian butterfly, freestyle and medley swimmer.

[1] She is 15-time long course and 8-time short course Estonian swimming champion.

She has broken 9 Estonian records in swimming.

[2] She is married to Martti Aljand, they have a daughter.

[3][4] This biographical article related to an Estonian swimmer is a stub.