Joannis is a given name. Notable people with the name include: *

Joannis Andreou Ioannis Andreou () was a Greece, Greek swimmer. He competed at the 1896 Summer Olympics in Athens. Andreou competed in the 1,200 metres freestyle swimming, freestyle event. He placed second of the seven swimmers, with a time of 21:03.4. The w ...

, Greek swimmer * Joannis Antonius de Sancto Giorgio, Italian jurist * Joannis Avramidis, Greek-Austrian sculptor * Joannis Capodistrias, Greek politician in Russia * Joannis de Segovia, Spanish theologian * Joannis Eschuid, English astrologer * Joannis Melissanidis, Greek artistic gymnast * Joannis Metaxas, Greek politician * Joannis Phrangoudis, Greek Army officer * Joannis Romberch de Kyrspe, Westphalia * Joannis Vislicensis, medieval author *

Joanni Perronet Joanni Maurice Perronet (19 October 1877 – 1 April 1950) was a French painter and fencer. He was son of music composer Joanni Perronnet and Blanche Guérard, as well as grandson of the playwright and lyricist Amélie Perronnet. He was a fen ...

, French fencer * Andreas Eudaemon-Joannis, Greek Jesuit and philosopher * Giovanni Giorgi (composer) (Joannis de Georgiis), Italian composer and priest *

Giovanni Maria Alemanni Giovanni Maria Alemanni (also ''Joannis Marie'', ''Gian Maria'', etc.) (fl. 1st quarter of the 16th century) was an Italian composer and lutenist. Practically nothing is known about his life or work. The only known collection of his music, publishe ...

, Italian composer and lutenist *

Jan Weenix Jan Weenix or Joannis Wenix (between 1641/164919 September 1719 (buried)) was a Dutch painter. He was trained by his father, Jan Baptist Weenix, together with his cousin Melchior d'Hondecoeter. Like his father, he painted various subjects, but ...

, Dutch painter *

Jan z Lublina Jan z Lublina, or Joannis de Lublin, was a Polish composer and organist who lived in the first half of the 16th century. Not much is known about his life but he was a member of the Order of Canons Regular of the Lateran, circa 1540, and was possi ...

, Polish composer and organist * Jens Nilssøn (Joannis Nicolai), Bishop of Oslo *

Johann Hedwig Johann Hedwig (8 December 1730 – 18 February 1799), also styled as Johannes Hedwig, was a German botanist notable for his studies of mosses. He is sometimes called the "father of bryology". He is known for his particular observations of sexual ...

, German botanist *

John Martyn (botanist) John Martyn or Joannes Martyn (12 September 1699 – 29 January 1768) was an English botanist. Life Martyn was born in London, the son of a merchant. He attended a school in the vicinity of his home, and when he turned 16, worked for his fath ...

, English botanist as a surname *

Joseph de Joannis Joseph de Joannis (6 June 1864 La Meignanne, Maine-et-Loire, Pays de la Loire – 27 October 1932 Paris) was a French clergyman Clergy are formal leaders within established religions. Their roles and functions vary in different religious tra ...

(1864–1932), French clergyman and amateur entomologist

See also