Haruka Watanabe (渡辺 はるか, Watanabe Haruka, September 9, 1992) is a Japanese voice actress and former child actress from Kanagawa Prefecture. She is affiliated with Quatre Stella. She was affiliated with Kirin Pro when she was a child actress. She was also affiliated with With Line as a voice actress, which she left in April 1, 2019 and, after some time as a freelancer, she joined Quatre Stella in December 1, 2020. Her main works include Monster Strike as Alice.

Kayato Watanabe (渡辺 彼野人), who appeared in Appare-san Madai-sensei, is her brother.

Not to be confused with voice actress with the same name but different kanji Haruka Watanabe (渡邉はるか).