Heather Anne Guino-o (born November 27, 1997) is a Filipino volleyball player for the Cignal HD Spikers in the Premier Volleyball League.
Guino-o was a member of FEU Lady Tamaraws women's volleyball collegiate team and she became an outside hitter.
In 2019, she played her final year in the UAAP.
In 2017, she played for the Pocari Sweat Lady Warriors as an Opposite spiker.
In 2018, she played for the Tacloban Fighting Warays in the PVL alongside Kyle Negrito, her teammate from FEU Lady Tamaraws.
In 2019, she played for the Creamline Cool Smashers where they won silver medal in the 2019 PVL Reinforced Conference and gold medal in the 2019 PVL Open Conference.