Nikki \n(ik)-ki\ as a boy's name (also used as girl's name Nikki), is a variant of Nicholas (Greek) and Nick (English), and the meaning of Nikki is "people of victory".

The baby name Nikki sounds like Nikky, Niki and Nikko. Other similar baby names are Rikki, Rikky, Miki, Nikos, Nik, Nicky, Nickie, Nykko, Niko, Riki, Ricki, Rikke and Rikk.