Anuj Kumar Chaudhary is a retired amateur Indian freestyle wrestler, who competed in the men's light heavyweight category. He was born on 8 March 1994 in Badari village, Muzaffarnagar district, Uttar Pradesh. He achieved top ten finishes in the 74-kg division at the Asian Games (2002 and 2006), scored two silver medals at the Commonwealth Games (2002 and 2010) and two bronze at the Asian Wrestling Championships, and also represented his nation India at the 2004 Summer Olympics. Before his sporting career ended in 2010, Kumar trained full-time for Subash Varma Wrestling Club in his native New Delhi, under his coach and mentor Subash Varma. Kumar reached sporting headlines at the 2002 Commonwealth Games in Manchester, England, where he claimed a silver medal in the 84-kg division, losing out to Canada's Nicholas Ugoalah by a tough 4–1 verdict. On that same year, he competed for the Indian wrestling team at the Asian Games in Busan, South Korea, but left the tournament empty-handed and injured. 

At the 2004 Summer Olympics in Athens, Kumar qualified for his first Indian squad in the men's 84 kg class. Earlier in the process, he placed third and guaranteed a spot on the Indian wrestling team from the Olympic Qualification Tournament in Sofia, Bulgaria. In 2004, he received the Arjuna Award. He lost two straight matches each to Iran's Majid Khodaei (1–5) and Japan's Hidekazu Yokoyama (5–11), leaving him on the bottom of the prelim pool and placing sixteenth in the final standings. When India hosted the 2010 Commonwealth Games in his native New Delhi, Kumar lost his final match to neighboring Pakistan's Muhammad Inam by a 4–3 decision, and received a silver medal with his home crowd inside Indira Gandhi Arena. Following another medal record, Kumar retired from competitive wrestling career to focus on his personal life.