Rob Mullett (born 31 July 1987) is a British steeplechase runner. He competed at the 2016 Summer Olympics in the 3000 metres steeplechase event,^[3] but failed to reach the final.^[1]

Mullett grew up in Sussex and competed for Lewes Athletics club. He completed his undergraduate studies at St Mary's University, Twickenham and after graduating from there, earned a scholarship at Butler University in Indianapolis, Indiana, where he earned a Master's in Education, Teaching and Leadership. At Butler, Mullett became the first sub-four-minute miler in school history and holds the school record in the mile.^[4]

Mullett now lives in Atlanta, Georgia, where he trains with Atlanta Track Club Elite^[4] and competes in road races for prize money.