Sioban \sio-ban\ as a girl's name is a variant of Siobhan (Irish, Hebrew), and the meaning of Sioban is "God is gracious".

The baby name Sioban sounds like Siobahn and Siobhian. Other similar baby names are Sian, Sheba, Shayan, Ciaran, Robyn, Robin, Shebah, Shan, Sheran, Sharan, Siana, Shieba, Shiona, Shona, Shonah and Tiona.