Cognomen 雷奇 (雷奇 
, Leitch 
) , in the entire world, is a common surname. The family name 雷奇 is habitual in New Zealand, where it is quite a rare surname, the United Kingdom, and Australia. Not in comparison with a country's population, it most frequently occurs in the United States, the United Kingdom, and Canada. Much less frequently, 雷奇 is the forename as well as the last name.