Nay Chi Oo (Burmese: နေခြည်ဦး; born Htoo Pyae Sone Myint on 25 January 1992) is a Burmese beauty blogger, actress, model and businesswoman. She is best known for her makeup tutorial videos and her beauty blog, "beautybynaychi" on Facebook. In 2019, Nay Chi Oo was recognized for her blogging by being featured on The Myanmar Times' "Top 10 Bloggers" list.