Jaanus Kuum (2 October 1964 – 26 August 1998) was an Estonian-Norwegian racing cyclist. He began cycling exercises in 1978 under the guidance of Helvi and Rein Roos. From 1983 to 1984, he competed four times in trekking and road training as an Estonian champion. In 1984, he moved from Estonia to Norway. He rode in four Grand Tours between 1986 and 1989.

Kuum died at age 33 in Oslo and was interred at Rahumäe cemetery in Tallinn.