Mikhail Semyonovich Tseitlin (Belarusian: Міхаіл Сямёнавіч Цэйтлін; German: Michael Zeitlein; born 16 June 1947, in Babruysk) is a Belarusian chess Grandmaster, now resident in Germany.
Tseitlin was twice Moscow Champion in 1976 (jointly) and 1977. His best results in international tournaments are Pernik (1977 and 1981) - 1st and 1st - 4th place; Nałęczów (1979) - 1st-3rd; Łódź (1980) - 2nd-4th; Hradec-Kralove (1982/83) - 3rd-6th; Prague (1983 and 1985) - 1st place.[1]
Tseitlin was awarded the International Master (IM) title in 1977 and the Grandmaster (GM) title in 1987. He received the International Correspondence Chess Grandmaster title in 1990.