The 2020 Japan Curling Championships (Japanese: 2020年日本カーリング選手権大会), or the 37th Zen-Noh Japan Curling Championships (Japanese: 第37回全農日本カーリング選手権大会), the Japanese national men's and women's curling championships, were held from February 8 to 16 in 2020 at the Karuizawa Ice Park in Karuizawa, Nagano.

[1][2][3] These championships were organized by the Japan Curling Association (JCA), and sponsored primarily by Zen-Noh.

[4] The women's winner was to represent Japan at the 2020 World Women's Curling Championship,[5][6] but the event was cancelled due to the COVID-19 pandemic.

The teams are listed as follows[13][14] Final round-robin standings[15] All draw times are listed in Japan Standard Time (UTC+9).

[15] Sunday, February 9, 13:30 Monday, February 10, 9:00 Monday, February 10, 18:00 Tuesday, February 11, 13:30 Wednesday, February 12, 9:00 Wednesday, February 12, 18:00 Thursday, February 13, 13:30 Friday, February 14, 9:00 Friday, February 14, 18:00 Saturday, February 15, 10:00 Saturday, February 15, 15:00 Sunday, February 16, 10:00 The teams are listed as follows:[13][14] Final round-robin standings[15] All draw times are listed in Japan Standard Time (UTC+9).