All-night vigil
（重定向自All Night Vigil）
- For the musical setting by Rachmaninoff, see All-Night Vigil (Rachmaninoff)
The All-night vigil is a service of the Eastern Orthodox Church (and Eastern Catholic Church) consisting of an aggregation of the three canonical hours of Vespers, Matins, and the First Hour. The vigil is celebrated on the eves of Sundays and of major liturgical feasts.