Gian Paolo Baglioni (c. 1470 – June 1520) was an Italian condottiero, count of Bettona and Spello and lord of Perugia.

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He was the son of Rodolfo Baglioni and initially fought mostly in Umbria, especially against the family rivals, the Oddi. In 1498 he was hired by Florence to hold minor operations in Umbria.

In July 1500, he escaped an assassination attempt by Grifone and Carlo Barciglia.^[1] Later he was at the service of the Papal States, fighting mostly along with Vitellozzo Vitelli. Among his deeds of this period, was the cruel reconquest of Camerino for the Da Varano family, which occurred after the short rule of Cesare Borgia.

After a period of independent and ruthless actions, in 1506 he submitted to Pope Julius II. In 1511 he was hired by the Republic of Venice, for which, in a long series of military actions, he opposed the French troops in the course of the War of the League of Cambrai. In November 1513 he was captured in a clash at Creazzo but was freed afterwards. In 1517 he fought in the War of Urbino against Francesco Maria della Rovere, who also besieged Perugia. In 1516 he received the title of count of Bettona from Pope Leo X.

In 1520, accused of an attempted assassination in Rome, Baglioni was imprisoned in Castel Sant'Angelo and beheaded. He was subsequently buried in the church of Santa Maria in Traspontina.

His descendant Emilio Baglioni was born in Macchia D'Aboreq, province of Valle Castallana, Abruzzo, Italia in 1932, and was a world-famous chef, a prize-winning Button Accordion musician who lived in Hollywood, California.