Alexandrine Petronella Francina Tinne (October 17, 1835 – August 1, 1869) was a Dutch explorer. She used her money to satisfy her curiosity about Africa. Her father died when she was ten, and she became one of the richest people in the Netherlands. Tinne is said to have been beautiful, and she was very clever. She knew several languages and was good at riding horses. She was also brave and firm.