Doctors said they retrieved five bullets from her body.
Her mother also sustained bullet wounds. She is said to be in critical condition, local media reported.
"Two gunmen on a motorcycle shot her. She was taken to hospital where she was pronounced dead," senior police official Tariq Dharejo said, adding police were investigating the killing.
T2F had organized a talk on Baluchi nationalists who often disappear in the country’s southwestern Baluchistan province.
Prime Minister Nawaz Sharif has condemned the incident and ordered an investigation.