Frans Viktor Heikel was a Finland-Swedish gymnastics teacher, known as "the father of Finnish school gymnastics".

Karl Felix Heikel was a Finland-Swedish banker and politician. He was the son of priest and educator Henrik Heikel, brother of educators and Finnish Baptist pioneers Viktor and Anna Heikel, father of insurance director Estrid Hult, cousin of ethnographer Axel Heikel and philologist Ivar Heikel, and uncle of ethnologist Yngvar Heikel.