Siwan ti o dara ju orukọ itumo: Oninurere, Ti nṣiṣe lọwọ, Cheerful, Friendly, Temperamental. Gba Siwan itumo ti orukọ.
Siwan Oti ti akọkọ orukọ. Welsh form of Joan. Gba Siwan Oti ti akọkọ orukọ.
Bakannaa awọn orukọ fun Siwan ni orisirisi awọn orilẹ-ede ati ede: Asia, Chevonne, Gia, Gianna, Giannina, Giovanna, Giovannetta, Hanna, Hanne, Hannele, Hannie, Ioana, Ioanna, Iohanna, Ivana, Jana, Jane, Janessa, Janice, Janina, Janna, Janne, Jannicke, Jannike, Jean, Jeanne, Jehanne, Jennigje, Jo, Joan, Joana, Joanie, Joaninha, Joann, Joanna, Joanne, Joasia, Joetta, Joey, Johana, Johanna, Johanne, Johanneke, Johnna, Jojo, Joleen, Jolene, Jone, Jonelle, Jonette, Joni, Jonie, Jonna, Jóhanna, Jóna, Jovana, Juana, Juanita, Nana, Seona, Seonag, Seònaid, Shauna, Shavonne, Shawna, Sheona, Shevaun, Shevon, Shona, Sìne, Síne, Siobhán, Tajuana, Vanna, Xoana, Yana, Yanka, Yanna, Yoana, Zhanna, Žana. Gba Siwan ni awọn ede.
Wọpọ awọn orukọ pẹlu kẹhin orukọ Keels: Dannie, Constance, Ian, Shirly, Antoine. Gba Awọn orukọ ti o lọ pẹlu Keels.