HAVANA, Jan. 26 (AP)--A large band of rebels stormed the Oriente Province Jail at Boniato tonight and rescued two top lieutenants of the rebel leader Fidel Castro.

The prisoners, Armando Hart and Javier Felipe Pazos, had been captured two weeks ago near Bayam.  They had been taken to Boniato yesterday for transfer to Havana.

The rebel band rode up in four cars, stormed into the jail forced the guards at gunpoint to free the prisoners.  Residents of the village, about ten miles from Santiago, said they had heard heavy firing in the vicinity of the jail just after nightfall.

Police and military officials set up road block on the three highways leading in and out of the Santiago area.

Senor Pazos, 21-year old son of Felipe Pazos, a former president of the Cuban National Bank, who is now in Washington as an official of the International Monetary Fun, attended a preparatory school in Washington.

Senor Hart, 25, a lawyer, escaped from a Havana courtroom several months ago while being tried for terrorist activities.  The son of judge of the Cuban Court of Appeals, he has defended rebels in court, President Fulgencio Batista's Government announced the capture of another youth, Jan. 13.