Stennis \s-tennis, st(en)-nis\ as a boy's name is of Scottish origin. Place name: a place in the Orkneys, north of Scotland, where there are a set of standing stones, a prehistoric monument similar to Stonehenge.

Baby names that sound like Stennis are Stannes, Stensen and Stones. Other similar baby names are Dennis, Teunis, Denis, Dennys, Dennes, Stefanos, Stein, Steno, Sten, Steen, Steinar, Stefanus, Stefanas, Stearns and Tannis.