• Krystal (restaurant), the second-oldest fast- food chain in the United States, founded in 1932
• nH Krystal, a resort operator belonging to the Spanish nH Hotels group
• Krystal, a video game character from the Star Fox series
• Krystal, a character from a video game, Dark Wizard
• Krystal Steal, an American porn star
• Krystal Harris, an American pop singer
• Krystal Koach, an American limousine and bus manufacturer
• Krystal Meyers, a Christian rock musician
• Krystal Forscutt, an Australian model.

See also

• Crystal (disambiguation)
• Cristal %28champagne%29, the champagne by Louis Roederer
• Kristol