Ferdinand Magellan was a famed Human explorer who was first to circumnavigate the planet Earth during the early 16th century.
Nora, a friend of Travis Mayweather's who resided on the ECS Horizon, compared Mayweather to Magellan and Columbus after he told her about the exploration feats he participated in aboard Enterprise, which included having traveled 150 light years and visited twenty-two inhabited worlds in an eighteen-month period. (ENT: "Horizon")
Yvette Picard referred to her youngest son, Jean-Luc, as "My little Magellan." (PIC: "The Star Gazer")
Magellan's legacy was honored well into the 24th century as the name of a Federation shuttlecraft assigned aboard the USS Enterprise-D. (TNG: "Darmok", "The Outcast") A Federation starship named USS Magellan was also named in his honor. (TNG: "Starship Mine"; DS9: "Sacrifice of Angels")
This character was only mentioned in dialogue.