The alliance also said it is reassessing its relations with Belarus.
Foreign Ministry spokesman Andrey Papou accused NATO of "intentionally politicizing" its relations with Belarus, which signed a Partnership for Peace agreement with the alliance in 1995.
Hundreds of people were detained and many remain in prison following the election. The Belarusian opposition, Western governments, and international observers say the vote was neither free nor fair.
Minsk, March 25
THE AUTHORITIES GET TOUGH: RFE/RL's Belarus Service filed these images from the police action against the March 25 demonstration in Minsk. Photographs by Maks Kapran.
THE COMPLETE PICTURE: Click on the image to view a dedicated page with news, analysis, and background information about the Belarusian presidential ballot.