Gallican may refer to:

Gallican Church (French: Église gallicane), a term referring to the Catholic Church in France

Église gallicane, a Catholic denomination founded in 1869 by Hyacinthe Loyson

Gallicanism, a doctrince that civil authority over the Catholic Church is comparable to that of the pope

Gallican Psalter or Psalterium Gallicanum, one of Jerome's Latin translations of the book of Psalms

Gallican Rite, a 1st-millennium Christian liturgy and other ritual practices in Western Christianity

Gallican chant, the liturgical plainchant repertory of the Gallican rite

Gallican, a largely obsolete synonym of Gallic, referring to:

France, a country in Western Europe

French people, the majority demographic group of France

French language, the majority language of France

Gallican, a largely obsolete synonym of Gaulish, referring to:

Gaul, ancient nation encompassing modern-day France and parts of surrounding countries

Gauls, the principal people of Gaul

Gaulish language, spoken by the Gauls

Roman Gaul, provincial rule of Gaul within the Roman Empire, 1st century BCE to 5th century CE