Susi \s(u)-si\ as a girl's name is a variant of Susan (Hebrew), and the meaning of Susi is "lily".

The baby name Susi sounds like Suzi, Susy, Susie and Suse. Other similar baby names are Suri, Kasi, Nesi, Assi, Gus, Casi, Siri, Dusa, Lusa, Luci, Sami, Sasa, Sari, Sula, Soki, Sukie, Suky, Sunni, Suzy, Suzie, Suze, Susee, Sue, Suzu, Resi and Zuni.