Jocko is a derivative of the English and Dutch Jack.
Jocko is also a derivative of the English and Hebrew James.
Jocko is also a derivative of the Scottish, English, and Gaelic Jock.
Jocko is not popular as a baby boy name. It is not in the top 1000 names. Within the family of boy names directly related to Jocko, James was the most regularly used in 2012.
Baby names that sound like Jocko include J.C., Jacee (English), Jacey (English), Jaci (English), Jacie (English), Jackee, Jackey (English), Jacki (English), Jackie (English), Jacko, Jacky (English), Jacquay, Jacquez, Jacqui, Jacy (English), Jae-Hwa (Korean), Jaggy (English), Jago (Spanish and English), Jagu (Breton), and Jahew.
† approx English pronunciation for Jocko: JH as in "joy (JH.OY)" ; AA as in "odd (AA.D)" ; K as in "key (K.IY)" ; OW as in "oak (OW.K)"