Nikolai Viktorovich Starikov is a Russian writer, opinion journalist and social activist. Founder and former leader of Great Fatherland Party and its subsidiary social NGO, Union of Russian Citizens.

Nikolai Nikolaevich Himmer ; commonly known as Nikolai Sukhanov was a Russian Menshevik Internationalist and chronicler of the Russian Revolution. On June 29, 1940, he was convicted on false charges by the Soviet government and shot. After Stalin's death he was rehabilitated.

Nikolay Karlovich Svanidze is a Russian TV and radio host and member of the Public Chamber of Russia.

Nikolai Tagantsev (1843–1923) — was a Russian lawyer, legal scholar, and criminologist.

Nikolai Vasilyevich Tchaikovsky was a Russian revolutionary.

Nikolai Nikolayevich Tcherepnin was a Russian composer, pianist, and conductor. He was born in Saint Petersburg and studied under Nikolai Rimsky-Korsakov at the Saint Petersburg Conservatory. He conducted for the first Paris season of Sergei Diaghilev's Ballets Russes.

Nikolai Dmitryevich Teleshov was a Russian/Soviet writer.

Nikolai Semenovich Tikhonov was a Soviet writer and member of the Serapion Brothers literary group.

Nikolai Savvich Tikhonravov was a Russian philologist and historian of Russian literature.

Nikolai Todorov Todorov was a Bulgarian historian. In 1990, he briefly served as acting president of Bulgaria.