Grigorios or Gregorios ( “watchful; alert; awake”, from ἐγρήγορᾰ ), and the variant Grigoris (Γρηγόρης), are the Greek forms of the name Gregory. It can refer to:
Grigoris (catholicos), 4th-century catholicos of Caucasian Albania and martyr Grigorios Argyrokastritis (died 1828), Archbishop of Athens Grigoris Arnaoutoglou (born 1973), Greek television presenter and radio producer Grigorios Athanasiou (born 1984), Greek football player Grigoris Balakian (1875–1934), bishop of the Armenian Apostolic Church Grigoris Georgatos (born 1972), Greek footballer Grigorios Konstantas (1753–1844), Greek scholar Grigoris Lambrakis (1912–1963), Greek politician Grigoris Makos (born 1987), Greek footballer Grigorios Polychronidis (born 1981), Greek boccia player Grigorios Spandidakis (1909–1996), Greek general and minister Grigorios Vegleris, Greek-Ottoman official and Prince of Samos Gregorios Xenopoulos (1867–1951), Greek writer and educationalist Grigorios Zalykis (1785–1827), Greek scholar and diplomat