Seann \se(a)-nn\ as a boy's name is a variant of John (Hebrew), and the meaning of Seann is "God is gracious".
The baby name Seann sounds like Sean, Swain, Swayn and Zann. Other similar baby names are Shann, Benn, Chann, Keane, Kean, Dann, Dean, Deane, Deonn, Eann, Jean, Shawn, Shaun, Shane, Heanno, Keanu, Kenn, Lenn, Mann, Penn, Seal, Seaman, Seaton, Seton, Shaan, Shan, Shayn, Shani, Shonn, Shawnn, Stana, Stan, Sveinn, Vann and Yann.