Rudolf Nikolli, 34, attacked worshippers in Dine Hoxha Mosque in downtown Tirana on Monday and injured five prayers, reported Taqrib News Agency (TNA).
A police investigation has been immediately launched into the case and the attacker is in police custody.
Rudolf Nikolli has been suffering depression since last year, according to his father .
The five wounded are all young men between 22-35 years old and none are in critical condition.
The 2.8 million people in Albania are predominantly Muslims and Christians make the minority group in the European country.