Gitanjali Rao is an American inventor, author, social activist, and a STEM student and advocate.

Rao won the Discovery Education 3M Young Scientist Challenge in 2017[1][2] and was recognized on Forbes 30 Under 30 for her innovations.

This led to her using App Inventor to develop a device called Tethys which was based on carbon nanotubes that could send water quality information via Bluetooth.

[25] She plans to work with scientists and medical professionals to investigate the potential of Tethys as a viable method.

[28] In 2019, Rao developed a diagnostic tool called Epione for early diagnosis of prescription opioid addiction.

[30] Rao developed an app named "Kindly" that uses artificial intelligence that can detect cyberbullying at an early stage and has partnered with UNICEF to roll-out the service globally.

[39] In 2021, Rao published her book, Young Inventor's Guide to STEM, which elaborates on her 5 Steps To Problem-Solving For Students, Educators, and Parents.

She was awarded the Top "Health" Pillar Prize for the TCS Ignite Innovation Student Challenge in May 2019 for developing a diagnostic tool called Epione based on advances in genetic engineering for early diagnosis of prescription opioid addiction.