Giorgio Ordelaffi (died 1423) was lord of Forlì and Papal vicar in Romagna (northern Italy). He was a member of the Ordelaffi family.
The son of Teobaldo Ordelaffi, he married Lucrezia Alidosi of the Alidosi family. She was a daughter of Ludovico Alidosi, Lord of Imola. Ordelaffi kept the seigniory of Forlì from 1411 until his death, moving his residence in the current Palazzo Comunale.