The Japan Curling Championships (Japanese: 日本カーリング選手権) are the annual Japanese men's and women's curling championships, organized by the Japan Curling Association (JCA).

The winners get to represent Japan at the men's and women's World Curling Championships and the next season's Pacific-Asia Curling Championships.

The following teams have the right to participate to this championship.

In Japan, curling teams have historically used freely nicknames instead of the skip name.

However, the JCA restricted the names that teams could use in the championship tournament in 2005, to one of the following: the skip's surname, organization name, association name, residential regional name, or the school name for the championships.