Piotr Ugrumov (Latvian: Pēteris Ugrjumovs or Pjotrs Ugrjumovs, Russian: Пётр Угрюмов) (born 21 January 1961) is a former Russian-Latvian professional road racing cyclist who participated for Latvia after the dissolution of the Soviet Union, though he was a part of the Russian delegation at the 1996 Summer Olympics.

His career as a professional lasted from 1989 to 1999, he had ten victories.

Ugrumov finished second at the 1994 Tour de France.

In 1997, Ugrjumovs' old Soviet passport expired and he took up Russian citizenship, but in 2005 he was awarded Latvian citizenship under the name of Pēteris Ugrjumovs and pledged to renounce the Russian one.

This biographical article relating to Latvian cycling is a stub.