Rika Nakase (中瀬 理香, Nakase Rika) is a Japanese anime screenwriter. She has participated in anime of various genres either as a scriptwriter or in series composition, and tends to work more with series in which girls are the main characters. Although she is credited as Rika Nakase for many of her works, she has been using the name Rika Takasugi (たかすぎ 梨香, Takasugi Rika) since 2023. When she co-writes with Masashi Sogo, she uses the name Rika Sogo (十川 梨香, Sogo Rika).