Laguna (Spanish: lagoon) may refer to:

• Renault Laguna, a family car manufactured by Renault
• Laguna (band), a Romanian pop band
• Laguna (people), an Amerindian tribe in New Mexico
• Laguna (game), a tactic and a strategic computer game by Bernhard Weber, made in 2000 by Queen Games
• Laguna Loire, a playable character in the Squaresoft video game Final Fantasy VIII

or to the following places:

• Laguna province, a province in the Philippines
• Laguna de Bay, the largest lake in the Philippines
• Laguna, Santa Catarina, a city located in southern Brazil
• San Cristóbal de La Laguna (also La Laguna), a municipality in the island of Tenerife, province of Santa Cruz de Tenerife, Canary Islands
• La Laguna, a municipality in the Chalatenango department in El Salvador
• Comarca Lagunera, often referred to simply as "Laguna", is a metropolitan area in the states of Coahuila and Durango in Mexico
• Laguna Beach, often referred to simply as "Laguna", in Orange County, California
• Laguna, Paraguay
• Laguna de Cameros, a municipality in La Rioja, Spain
• Laguna Seca (also Mazda Raceway Laguna Seca) an auto and motorcycle racing course