Tsugumi Higasayama is a Japanese actress and voice actress born on March 21, 1978, in Saitama Prefecture. She began her career in the entertainment industry during the 1990s and is affiliated with the talent agency Osawa Office. Her name is sometimes written using the different kanji characters for "亚美" or in the hiragana script as ひがさやま つぐみ. A common point of clarification regarding her name is that it is correctly read as "Tsugumi," though it is occasionally misread as "Ami".

Higasayama's voice acting career includes a range of roles in anime, video games, and radio dramas. In anime, her early work included roles in series such as NieA_7 and Haibane Renmei. A significant role during this period was as Tsugumi Rosenmeyer in the 2005 series Genesis of Aquarion, a character she would reprise in subsequent related projects. She also appeared in series like Genshiken, The Idolmaster, and Boogiepop Phantom. In 2006, she voiced the character Margaret Steamson in the science fiction anime Project Blue Earth SOS. Her other anime credits from this era include roles in Pani Poni Dash! and the film adaptation of Aquarion.

Beyond animation, Higasayama has contributed her voice to video game franchises. Her game credits include Zone of the Enders, the Super Robot Wars series, and Otome wa Boku ni Koishiteru. She also voiced the character Sotir Windy in the game Baldr Bullet. Her work in audio extends to radio dramas, with appearances in productions for BLUE DROP and Seishun Adventure, as well as drama CDs for series such as Fullmetal Alchemist and Mr. FULLSWING.

In addition to voice acting, Higasayama has demonstrated versatility across other performance mediums. She appeared as an actress in the 2007 live-action film Dream Ten Nights, which was based on the writings of Soseki Natsume. Her artistic skills also encompass music; she has performed theme songs and character songs, including "Say Over" for the web anime Psychic Academy. Higasayama has a number of artistic pursuits outside of her performance work. These include writing poetry, playing traditional Japanese musical instruments like the shamisen as well as the trumpet, and holding a semi-instructoral qualification in calligraphy. She also practices the traditional Japanese comedic theater form of kyogen.