Julien Alfred (born 10 June 2001) is a Saint Lucian sprinter. She won the gold medal at the 2024 Summer Olympics in the 100 metres event, setting a new national record of 10.72s in the final. Her medal was the first-ever Olympic medal for Saint Lucia. She then won a silver in the 200 metres. Alfred also won the gold medal in the 60 metres at the 2024 World Athletics Indoor Championships.
Alfred was a silver medalist in the 100 metres at the 2022 Commonwealth Games. She is the joint North American indoor record holder for the 60 metres, and was the first woman in NCAA history to break the seven-second barrier over the 60 m. Alfred is a three-time individual NCAA Division I champion.