Oleg Nikolaev Neikirch (Neikirh, Nejkirch, Neykirch) (Bulgarian: Олег Николаев Нейкирх) (8 March 1914, Tbilisi, Georgia - 26 August 1985, Bulgaria) was a Bulgarian chess master.
He represented Bulgaria in four Chess Olympiads (1939, 1954, 1958, and 1960).
He tied for 2nd-4th at Sofia 1957 (zonal; Miroslav Filip won), and took 15th at Portorož 1958 (Interzonal; Mikhail Tal won).
He was awarded the International Master (IM) title in 1957.
This biographical article relating to a Bulgarian chess figure is a stub.