Atsushi Hiwasa (日和佐篤, Hiwasa Atsushi) (born 22 May 1987 in Hyogo, Japan) is a Japanese rugby union player.

Hiwasa has played 28 international matches for the Japan national rugby union team.

[1] Hiwasa was a member of the Japan team at the 2011 Rugby World Cup, and played four matches for the Brave Blossoms.

[2] Hiwasa currently plays for Top League team Suntory Sungoliath.

This Japanese rugby union biography is a stub.