Saki Hayakawa is a Japanese voice actress and narrator. Her name in Japanese is 早川沙希, and she is also known by the romanized spelling Hayakawa Saki. She is a female performer, born on July 20 in Ehime Prefecture, Japan and has a height of 158cm.

Hayakawa's career is built on a foundation in live performance and a broad range of voice work. Her skills include specialties in period dramas and mimicry. Her professional background includes a seven-year tenure with the Moonlight Theater Troupe, founded by Masako Nozawa. After leaving the troupe, she took a three-year hiatus from acting before returning to the industry. She was briefly affiliated with the Troubadour music office before becoming a freelance performer. In the summer of 2008, she founded and began organizing a reading unit called Stage-Lovers, which holds regular performances once or twice a year. In April 2011, she launched her own voice actor agency, Earning, where she serves as a representative.

Her experience in the industry is extensive and varied. In addition to anime, her voice work encompasses television narration for programs such as those on BS Asahi, voice-over work for the Nippon TV show "Sukkiri!," and providing the voice for characters in informational segments like "NenDO-kun" for Kids Station. Her film voice acting credits include a role in the 1994 Studio Ghibli film Pom Poko.

In anime, Hayakawa is recognized for her role as Maria Chiyoda in the 2018 television series Doreiku The Animation. Other anime voice roles include a guest appearance as Binoruto in the second OVA series for Hunter x Hunter, titled Hunter x Hunter: Greed Island. She has also participated in various other media, including radio dramas, video games such as "Okami Kakushi" and "Continued Mikagura Tanteidan," and drama CDs.