Nikolajs Štelbaums[1] or Nikolay Shtelbaums (Russian: Николай Штельбаумс) (13 October 1933 Užava parish, Latvia[2] – 3 April 2008 Omsk, Russia[3]) was a Soviet speedskater.
As a child he was forced to move to Siberia along with his family in 1949, in connection with the Soviet mass deportation project Operation Priboi of more than 90,000 Estonians, Latvians and Lithuanians.
At the 1960 Winter Olympics four weeks later, first Kjell Bäckman (16:14.2) and then Knut Johannesen (15:46.6) finally lowered the official Andersen world record, while Štelbaums was disqualified in this race.
Štelbaums participated in each of the Soviet-Russian allround championships from 1958 to 1963, with a 6th place from 1959 at Vologda his best result; on that occasion he also won the 10,000-m and bronze on the 5,000-m.
His wife Vera Shtelbaums is a professional and merited Master of Sports coach of rhythmic gymnastics.