Arjun Kumar Basnet (Nepali: ?????? ????? ??????) (born December 5, 1975 in Kangel) is a Nepalese marathon runner.
Basnet represented Nepal at the 2008 Summer Olympics in Beijing, where he competed for the men's marathon.
He finished the race in forty-fifth place by approximately quarter of a minute (about 26 seconds) behind South Africa's Hendrick Ramaala, with his personal best time of 2:23:09.