The 2009–10 Latvian Hockey League season was the 19th season of the Latvian Hockey League, the top level of ice hockey in Latvia.
Eight teams participated in the league, and Dinamo-Juniors Riga won the championship.
Dinamo-Juniors Riga and Liepājas Metalurgs received a bye until the playoffs, as they played in the Belarusian Extraleague.