In the Hindu origin, Kannan means "a form of Krishna. KAPIL"
In the Japanese origin, Kannan means "Kannan \k(an)-nan\ as a boy's name is a variant of Kannon (Japanese). See for meaning of Kannan.
The baby name Kannan sounds like Cannan, Kannen and Kennan. Other similar baby names are Tannan, Annan, Cannon, Kanon, Kavan, Hanan, Donnan, Gannon, Janan, Kaydan, Kaidan, Kadan, Kaelan, Kalan, Kana, Kahan, Kanoa, Kayvan, Kagan, Keenan, Kienan, Kennon, Kenan, Kentan, Kernan, Shannan, Tannon, Tannen and Tannin."
