Haruka Nagashima (長嶋 はるか, Nagashima Haruka, September 21, 1987 – May 30, 2021) was a Japanese voice actress and singer. In the early days, she was active under her real name, Haruka Nagashima (長嶋 陽香). She was born in a hospital in Yamagata Prefecture. She moved to Tokyo shortly after she was born.

After graduating from the training school Human Academy, she joined the agency Three Tree. She made her debut as a voice actress in 2009, and her debut as a singer in September of the same year with the single RAY!Flower. On June 11, 2021, her agency announced that she had passed away on May 30, 2021, while undergoing medical treatment. She died at the age of 33.

Her special skills included dancing and singing. Her hobbies were watching idols and appreciating the beauty of form. Her role model was voice actress Nana Mizuki.