Mikołaj Wejher (died 1647) was a Polish nobleman from the prominent Wejher family. He was the son of Jan Wejher and . He held various offices in the Polish–Lithuanian Commonwealth. He was Voivode of Malbork since 1641 and Voivode of Chełmno since 1643. Mikołaj was also starost of Radzyń and Kowalewo. * v * t * e