Supporters from Australia, the United States, and the Netherlands have traveled to Scotland for the match.
Mark Smith and his 11-year-old son Jake flew from New South Wales to watch their cousin, Dunfermline midfielder Matty Todd, play.
Seventy-one-year-old Paddy Thompson traveled from the Netherlands for his fifth cup game this season.
Thompson and his daughter Amanda previously attended the 2007 final, where Celtic defeated Dunfermline 1-0.
Another fan, John Heeps, rerouted a holiday flight from Croatia to ensure arrival in Glasgow before kickoff.
Historically, Celtic has won the Scottish Cup 42 times, last lifting it in 2024.
Dunfermline has won the trophy twice, in 1961 and 1968, and has lost 17 of its last 18 meetings against Celtic.
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The match will be broadcast live on BBC One Scotland, BBC iPlayer, and Premier Sports 2, with radio coverage provided by BBC Radio Scotland and BBC Sounds.
