Keith James ("Nick") Thometz (born September 16, 1963 in Minneapolis, Minnesota) was an American ice speed-skater. For most of 1987 he held the World record for men's 500 meter speed skating. At the Speed Skating World Cup of 1986-1987 he won the 500 meter and 1000 meter divisions. He also won a silver medal at the 1987 World Sprint Speed Skating Championships for Men. He competed in the Winter Olympic Games three times, but never medaled.