Kathi \k(a)-thi\ as a girl's name is a variant of Catherine (Greek), Katherine (Greek) and Kathy, and the meaning of Kathi is "pure".

The baby name Kathi sounds like Kati, Kathie, Katha, Cathi, Kathe and Kathia. Other similar baby names are Kasi, Agathi, Kadi, Kalli, Kalei, Kari, Kaysi, Kayci, Kasci, Kaci, Kassi, Katy, Katie, Katia, Kathee, Katey, Katee, Kate, Kata, Kat, Karri, Cati, Cathy, Cathie, Cathe, Catha, Cath, Cathia, Kai, Kali, Kahli, Kami, Kammi, Kani, Kasha, Kaethe, Kitti, Kathya, Kathey, Kaydi, Katt, Kayli, Kaili, Kaeli, Kishi, Matha, Mathia and Ruthi.