Lkhamsürengiin Myagmarsüren (Mongolian: Лхамсүрэнгийн Мягмарсүрэн; born February 17, 1938) is a Mongolian chess master. He is more commonly known in English as Lhamsuren Myagmarsuren.
He won West Asian zonal tournament in 1966. and tied for 19-20th in the Interzonal tournament in Sousse, Tunisia 1967 (Bent Larsen won).
In other international tournaments, he tied for 5-6th at Dushanbe 1962 (Leonid Shamkovich won); took 12th at Havana 1967 (4th Armies-ch, Vlastimil Hort won); took 16th at Tallinn 1971 (Paul Keres and Mikhail Tal won); and tied for 8-9th in 10th Rubinstein Memorial at Polanica Zdrój 1972 (Jan Smejkal won).
Myagmarsüren was a four-time Mongolian chess champion (1965, 1980, 1981, 1982). He played ten times for Mongolia in Chess Olympiads (1960-1974 and 1980-1982). He won individual gold medal at fourth board (+14 -1 =5) at Leipzig 1960.
Awarded the IM title in 1966. His handle on the Internet Chess Club is "Shatar".