Yisachar \yi-sa-char\ as a boy's name is a variant of Issachar (Hebrew) and Yishachar (Hebrew), and the meaning of Yisachar is "his reward will come". See also Sachar.
The baby name Yisachar sounds like Yissachar and Isachar. Other similar baby names are Visscher, Fisscher, Fischer and Vischer.