Miss Universe 1978

Miss Universe 1978 was the 27th Miss Universe pageant, held on 24 July 1978 at the Centro de Convenciones de Acapulco in Acapulco, Mexico. It was the first time in the pageant's history that the event was held in Mexico. Margaret Gardiner of South Africa was crowned by Janelle Commissiong of Trinidad and Tobago at the end of the event. This is the first time South Africa won the pageant.

Judges
The following celebrities judged the final competition:
 * Christiane Martel – Miss Universe 1953 from France
 * Dewi Sukarno – Japanese socialite and former first lady of Indonesia
 * David Merrick – Tony Award-winning American theatrical producer
 * Line Renaud – French singer and actress
 * Miloš Forman – Film director from Czechoslovakia
 * Ursula Andress – Swiss actress and sex symbol of the 1960s
 * Melba Moore – American singer
 * Roberto Cavalli – Italian fashion designer
 * Wilhelmina Cooper – Founder of Wilhelmina Models
 * Anna Moffo – American opera singer
 * Mario Moreno "Cantinflas" – Mexican comedian and stage and film actor