Hà Ngọc Diễm (born December 22, 1994) is a retired Vietnamese volleyball player.

At 2014 VTV International Women's Volleyball Cup, she won her first title representing for national team.

In 2015, Ha Ngoc Diem plays for VTV Bình Điền Long An, with captain Nguyễn Thị Ngọc Hoa to help the team win the 1st place at Vietnam Volleyball League Championship, defeat Thông tin Liên Việt Post Bank 3-2 in final.

[1] Diễm played for VTV Bình Điền Long An the 2015/16 season[2] and the 2017, on loan with Thông tin Liên Việt Post Bank.

This biographical article relating to volleyball in Vietnam is a stub.