Nijat Rahimov (; born 13 August 1993) is an Azerbaijani-born naturalized Kazakhstani weightlifter. He represented <nowiki> Kazakhstan </nowiki> at the 2016 Summer Olympics, in the category of 77 kg, he placed first, winning the gold medal and setting a new world record with a clean and jerk lift of 214 kilograms. In 2022, the medal was stripped and he was banned when it was revealed he substituted urine samples.
Rahimov won a gold medal for Azerbaijan at the 2010 Summer Youth Olympics and a silver at the 2013 Junior World Weightlifting Championships.
At the 2013 Summer Universiade he served as a flag bearer for Azerbaijan. Rahimov was suspended for 2 years from June 2013 after testing positive for anabolic steroids. An out of competition doping test found prior use of oxandrolone and dehydromethyltestosterone.
Rahimov won a gold medal for Kazakhstan at the 2016 Olympics in the 77 kg weight class, setting a world record in clean and jerk (214 kg).
In 2022, he was stripped of his gold medal from the 2016 Olympics over doping. The Egyptian weightlifter, who finished third in the 2016 Olympics, has made statements against him.