Cognomen Gunnika (Gunnika 
) , in the world, is an extremely rare last name. The last name Gunnika is habitual in Southern Asia, particularly India, where it is an extremely rare surname. Much more frequently, Gunnika is the forename as well as the last name.
Maro, Isaksson-Lutteman, Choochokchai, Chaudhary, Hanchaungchai, Trongsopa, Thongsup, Yimsawad, Teantong, Jommool, Ketsiri, Veroha, Temvisutkul, Jaicue, Rivera, Kerdliam, Sanlek, Gill, Phithakkunl, and Phithakkunlanan