A 31-year-old was on Tuesday imprisoned for three months for illegally working and staying in Cyprus, while two others were found working illegally in Ayia Napa, police said.
The prison sentence of the third-country national was imposed by the Famagusta District Court.
He was arrested on July 12 in Ayia Napa after being found working in a pub without permission from the competent authority. He was also found to be residing illegally on the island.
A case of illegal employment is also being investigated against his employer.
Late on Monday, officers found two other men, aged 26, outside a nightclub in Ayia Napa selling tickets for entrance.
They were found to be third country nationals legally residing in Cyprus but working illegally.
They were questioned and charged in writing, and then released to be summoned before a court for illegal employment.
The employer of the two 26-year-olds, a 50-year-old was also questioned and charged in writing to be summoned before a court for illegal employment.