Kandora champagne was a variety of champagne.

Quark gave a bottle of 2368 Kandora champagne as a gift to Major Kira Nerys, he said, it was a very good vintage. (DS9: "Meridian")

In 2374, Dr. Julian Bashir and the other genetically engineered toasted with a bottle of Kandora champagne after Captain Benjamin Sisko had agreed to take their analysis of the Dominion war situation to Starfleet Command. (DS9: "Statistical Probabilities")