Vivi is a short form of names like Vivian or Vivienne, from Latin vivere, meaning to live.
Vivi is a name that lives in the territory between nickname and given name, derived from the Latin *vivus*, meaning 'alive, living, full of life.' It functions as a natural short form of Vivienne, Vivian, Vivia, or Viveca, all of which share this life-affirming Latin root. The longer forms have ancient pedigree — Vivianus appears in Roman records, and Saint Vivian of Saintes was a 5th-century Gallic bishop whose feast day kept the name in ecclesiastical use through the medieval period.
But Vivi, as a standalone name, has a more modern, playful energy that its longer relatives lack. In Scandinavian countries, particularly Sweden and Denmark, Vivi has a long independent history as a fully valid given name rather than a nickname, used continuously since at least the early 20th century. Swedish actress Vivi Janiss and Danish figures bearing the name gave it solid Nordic roots.
In the Arthurian literary tradition, Viviane (or Vivien or Nimue) — the Lady of the Lake who gave Excalibur to Arthur and imprisoned Merlin — is one of the most powerful feminine figures in all of medieval romance, and the name's magical, otherworldly associations echo through every one of its forms, including Vivi. Today, Vivi appeals to parents who want something that sounds like a term of endearment but can stand on its own birth certificate — bright, doubled, and almost impossible to say without smiling. Its doubled syllables give it a natural rhythm, and its associations with vitality and aliveness make it feel like a perpetual declaration of joy.