Nay Chi Oo (Burmese: နေခြည်ဦး; born Htoo Pyae Sone Myint on 25 January 1992) is a Burmese beauty blogger, actress, make-up artist, fashion model and businesswoman. She is best known for her makeup tutorial videos and her beauty blog, "beautybynaychi" on Facebook. Nay Chi Oo featured on The Myanmar Times "Top 10 Bloggers" list in 2019.