Pavel Tcacenco or Tkachenko (Russian: Павел Дмитриевич Ткаченко; born Yakov Antipov or Antip, Russian: Яков Яковлевич Антипов; 7 April?, 1892/1899/1901 – 5 September 1926) was an Imperial Russian-born Romanian communist activist, a leading member of the communist movements of Bessarabia and Romania in the 1920s.

According to his own declaration on the occasion of his arrest in 1926, he was born in 1899, while his Siguranța (Romanian secret police) file noted 7 April 1899 as his birth date.

Tcacenco received the task of restoring the organisation, and in October 1919 he was elected secretary of the Chișinău communist committee.

He also contributed to the restoration of the communist youth organisation in the main city of Bessarabia, and tightened contacts with the local communist-influenced trade unions.

[3] At the same time, Tcacenco established contacts with Alecu Constantinescu, a leading member of Bucharest's nascent communist movement.

[7][3] During the trial, Tcacenco acknowledged he had participated in distributing communist newspapers and manifestos, but denied any connection with the bomb attack.

[5] Tcacenco returned to Romania for a short time in July 1925, reintegrating in the local communist movement, however he fled again to Prague as he was notified of an imminent arrest.

In Romania, he agitated for the Workers' and Peasants' Bloc, a legal front organization of the Romanian Communist Party during the 1926 electoral campaign.

[8] On 15 August 1926, during a meeting with communist leaders Boris Stefanov and Timotei Marin, the group was surrounded by the police.

[3] Another version posits that he escaped his guards in Chișinău with the help of local communists, only to be captured the following days near Soroca, while attempting to cross the Dniester River in the Soviet Union, and executed.

After 1970, they were all gradually removed from official discourse, as the personality cult of president Nicolae Ceaușescu singularised the Romanian leader as a hero of the communist youth.