Cognomen 伊冯娜 (Yvonne 
, 伊冯娜 
) , throughout the world, is a common family name. The cognomen 伊冯娜 is characteristic of Liechtenstein, where it is quite a common surname, Cameroon, and Rwanda. Measured by absolute frequency, it is commonest in Sub-Saharan Africa, particularly Cameroon, Nigeria, and Kenya. Much more prevalently, 伊冯娜 is the forename as well as the last name.