Nao Nagasawa is a Japanese voice actress born on May 12, 1971. She is from Toyonaka in Osaka Prefecture and is currently represented by the agency Kekke Corporation. Her professional name is Nao Nagasawa, though she was born Naomi Kawai and early in her career was also known as Naomi Nagasawa.

Nagasawa has built a prolific career since her debut in the early 1990s, voicing a wide array of characters across anime, video games, and dubbed foreign media. She is particularly recognized for her work in long-running and popular franchises. One of her most notable recurring roles is Majorika in the beloved magical girl series Ojamajo Doremi, a character she voiced across multiple installments including the original series, Mo~tto! Ojamajo Doremi, and various films. She also lent her voice to the Beyblade franchise as Daichi Sumeragi in Beyblade G Revolution and the related film.

Her talent for playing unique and memorable characters is evident in the diverse roles the user mentioned. In the horror-comedy series Gregory Horror Show and its sequels, The Last Train and The Second Guest, she voiced the character Neko-Zombie. She played the young boy Ryouta in the comedy Saint Young Men. In the 2018-2019 adaptation of Karakuri Circus, she took on the role of Guripon. Her other roles include Kenta in Animal Yokocho, Iwaza in Jungle Emperor Leo, Takuya Briggs in the Gundam Neo Experience 0087 - Green Divers short film, and Shiori Makino in Ashita no Yukinojō. Her film work also includes roles in A Flying Princess and a Secret Island, Night at High Noon and the Wonder Gate, and Be-yond, where she played Eva.

Beyond these, Nagasawa's extensive filmography includes characters in Ushio and Tora as Izuna, Dance in the Vampire Bund as Hiroe Ubayama, and the video game Tales of Berseria as Bienfu. In the world of dubbing, she provided the Japanese voice for Lilly Moscovitz in The Princess Diaries 2: Royal Engagement and for the character Alicia in School of Rock.

Nagasawa is also known for her versatility and personal skills, which include proficiency in the martial art Shorinji Kempo, traditional Japanese dancing, and playing the trumpet.