Ema is Emma spelled with a single m, the usual form in Portuguese, Czech, Croatian and Slovene and also a Japanese name; it comes from the Germanic ermen and means "whole" or "universal". In the United States it is often chosen by families with roots in those countries or as a quieter take on the top 10 name Emma. Ema stood at number 2873 in 2000 and has climbed to number 1349 in 2025, its best rank so far.