The year 2015 was the 23rd year in the history of the Ultimate Fighting Championship (UFC), a mixed martial arts promotion based in the United States.
The numbers below records the events, fights, techniques, champions and fighters held or performed for the year of 2015 in UFC.
The following fighters fought their first UFC fight in 2015: <div style="display:flex; gap:20px;">
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The following The Ultimate Fighter seasons are scheduled for broadcast in 2015: