In Finland, the Suomen mestaruus (SM; lit. 'Finnish Champion') is the winner of the highest level of national competition in a particular sport.
Suomen mestaruussarja (lit. 'Finnish Championship'), abbreviated SM-sarja, is the competition in which the winning athlete, team, or club is named Finnish Champion. SM-sarja is commonly used when discussing the highest-level league of a sport that competes for the Finnish Championship or the specific competition in which a Finnish Champion is named, as with the Baseballin SM-sarja, Ringeten SM-sarja, Rugbyn SM-sarja, etc.
The abbreviation SM-liiga (lit. 'Finnish Championship League' from Suomen mestaruusliiga) is a standard term used when a sport has been designated with liiga status. Without qualification, SM-liiga can refer to any Finnish Championship liiga, however, it is most often used when discussing the men's ice hockey Liiga.
Significant content in this article is translated from the existing Finnish Wikipedia article at fi:Suomen-mestaruus; see its history for attribution.