Baby Names Boy Names Meaning of the Name Kael Updated November 7, 2025 by Jennifer M. Kael Gender: Male Origin: Irish Meaning: Slender ♥ Add to my Namelist What is the meaning of the name Kael? The name Kael is primarily a male name of Irish origin that means Slender. Form of CaelPeople who like the name Kael also like: Aiden, Liam, Finn, Owen, Gabriel, Declan, Kaden, Audrey, Amelia, Charlotte, Isla, Ella, Scarlett, Ava Names like Kael: Kalil, Kahili, Kualii, Kelii, Khalilah, Kal-el, Kuulei, Kaiholo, Kele, Kayaliya, Kylo, Kahale, Kylee, Kahula, Kikilia, Kulya, Khaleel, Kyle, Kelley, Kolya, Kylie, Kelly, Kealii, Kausalya, Kaeli, Kailey, Kella, Kaholo, Kiele, Kalea Stats for the Name Kael Kael is currently not in the top 100 on the Baby Names Popularity Charts Kael is currently not ranked in U.S. births