Cognomen ニッキ (Nikki 
, ニッキ 
) , around the globe, is quite a rare family name. The last name ニッキ is habitual in Finland, where it is quite a rare surname, Trinidad and Tobago, and Jamaica. Measured by absolute frequency, it is commonest in India, Indonesia, and Finland. Predominantly, ニッキ is the forename as well as the last name.