Cognomen 蓮香 (Renka 
, 蓮香 
) , throughout the world, is quite a rare surname. The last name 蓮香 is habitual in Croatia, where it is quite a rare surname, Poland, where it is a rare surname, and Czechia. Not in comparison with a country's population, it is the most numerous in India, Croatia, and Poland. More frequently, 蓮香 is the forename as well as the last name.