---
name: "Riko Sakaguchi"
canonical: "https://film.one/person/riko-sakaguchi"
roles: ["Screenwriter"]
born: "16 May 1972"
reviewed_on_fi1m: 1
updated: "2026-09-17T06:53:53.413398+00:00"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# Riko Sakaguchi

Screenwriter. Born 16 May 1972 in Yokohama, Kanagawa Prefecture, Japan.

## Details

- **Work:** Screenwriter
- **Born:** 16 May 1972, Yokohama, Kanagawa Prefecture, Japan
- **Also known as:** Сакагути Рико
- **Elsewhere:** https://www.wikidata.org/wiki/Q11425070, https://www.imdb.com/name/nm4940865/, https://www.themoviedb.org/person/1129392

## Streaming the US now

- **HBO Max:** [*The Tale of The Princess Kaguya*](https://film.one/film/the-tale-of-the-princess-kaguya.md) (84)

For United States; add `?region=XX` for another country.

## Biography

Riko Sakaguchi is a Japanese screenwriter and novelist. Born in Yokohama, she graduated from Waseda University and previously worked at NHK Enterprises before becoming a freelance writer for film, television and theatre.

Her screenwriting credits include the Studio Ghibli feature *The Tale of The Princess Kaguya* (2013), co-written with Isao Takahata, and *Mary and The Witch's Flower* (2017). She has also written for *After the Rain* (2018), *To Every You I've Loved Before* (2022) and *To Me, the One Who Loved You* (2022), among other films and television dramas. Several of her works have received awards, including the Television and Radio Writers’ Association of Japan’s Television Drama Award and the Motion Picture Producers of Japan’s Kido Award.

*Sources: gkids.com, en.wikipedia.org, nausicaa.net, imdb.com.*

## On Fi1m (1)

- *The Tale of The Princess Kaguya* (2013), Fi1m 84, Screenplay — [page](https://film.one/film/the-tale-of-the-princess-kaguya.md)

## Also known for

- *Mary and The Witch's Flower* (2017), Screenplay
- *To Me, the One Who Loved You* (2022), Screenplay
- *After the Rain* (2018), Screenplay
- *To Every You I've Loved Before* (2022), Screenplay
- *Cherry Magic! THE MOVIE* (2022), Screenplay

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/person/riko-sakaguchi