Mateusz \m(a)-teu-sz\ as a boy's name is a variant of Matthew (Hebrew), and the meaning of Mateusz is "gift of God".
The baby name Mateusz sounds like Mateus, Matz, Matyas, Mattheus, Mattaus, Mattaeus, Mats and Madteos. Other similar baby names are Amadeusz and Taddeusz.