Hathairat Jarat (Thai: หทัยรัตน์ จารัตน์, born February 9, 1996, in Khon Kaen) is a Thai indoor volleyball player.

She is a current member of the Thailand women's national volleyball team.

[1] She played volleyball with the Nongruawittaya School from 2013–2015.

[2] She won the 2017 Asian U23 Championship Best Middle Blocker award.

[3]