Kelsi \k(e)-lsi, kel-si\ as a girl's name is a variant of Kelsey (Old English), and the meaning of Kelsi is "victorious ship".

The baby name Kelsi sounds like Kelsy, Kelsie and Kelsa. Other similar baby names are Kelli, Kasi, Kalli, Kalei, Kaysi, Kassi, Chelsi, Krisi, Helsa, Ellsi, Kali, Kaeli, Keili, Keeli, Kelby, Kelda, Kelly, Kellie, Kelsee, Kelsea, Kellsie, Kelcy, Kelcie, Kessy, Kessie, Kirsi, Kyli, Nelsy and Nelsie.