Ion Dosca (born 2 January 1955) is a Moldovan Brazilian draughts player, international grandmaster since 1996[1] and world champion in 1999.

In the early 1970s Dosca made first real successes on the All-Union level, winning the silver medal at the All-Union junior Trade Unions Sports Society championships in 1971 and taking the title at the same competition in the next year.

In 1974 Dosca won his first Moldavian senior title and received a Master of Sport rank.

In 2008 at the World Mind Sports Games in Beijing he was leading after the Swiss part of the Brazilian draughts tournament[2] and eventually won the silver medal, losing in the final to the Russia's representative Oleg Dashkov.

[3] Dosca was awarded the Order of Labour Glory for his victory in the 1999 world championships and was nominated by the local media for the Sports person of the year title.