Siwan makna jeneng paling apik: Loman, Aktif, Nyenengake, Loropaken, Prasyarat. Njaluk Siwan tegesé jeneng.
Siwan asal saka jeneng pisanan. Wangun Welsh Joan. Njaluk Siwan asal saka jeneng pisanan.
Jeneng-jeneng sing sinonim kanggo Siwan ing negara lan basa sing beda-beda: 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. Njaluk Siwan ing basa liya.
Jeneng sing umum nganggo jeneng pungkasan Clade: Josefine, Ian, Gisele, Monique, Gisèle. Njaluk Jeneng sing nganggo Clade.