Tomislav (died in 928), was one of the greatest rulers of Croatia in Middle Ages. He reigned from 910 until 928, first as Duke of Dalmatian Croatia in 910–925, and then became first King (rex Croatorum) of Croatian Kingdom in 925–928.

Tomislav is a Croatian male first name. Its originated from the first, and most well-known, Croatian king: Tomislav. It is also one of the most common given Croatian names.