Miss Universe 1991

Miss Universe 1991 adalah kontes kecantikan Miss Universe yang diadakan ke-40 kalinya pada tanggal 17 Mei 1991 di Aladdin Theatre for the Performing Arts, Las Vegas, Amerika Serikat.

Lupita Jones dari Meksiko menjuarai kontes tersebut.

Juri 
 José Luis Rodríguez "El Puma" – Penyanyi dan aktor Venezuela
 Janet Hubert – Aktris Amerika
 Kuh Ledesma – Penyanyi jazz Filipina
 Jorge Rivero – Aktor
 Barbara Lauren – Casting director
 Cristophe – Penata rambut Belgia
 Dustin Nguyen – Aktor Vietnam-Amerika
 Nadia Comăneci

Hasil

Penilaian semifinal 
 Juara
 Runner-up 1
 Runner-up 2
 Top 6
 Top 10
(#) Ranking pada tiap babak

Peserta 

  - Kelli McCarty
  - Verónica Honnorat
  - Farrah Fiona Saunders
  - Pauline Huizinga
  - Katia Alens
  - Josephine Gault
  - Andrea Sullivan
  - María Selva Landívar
  - Patricia Franco de Godói
  - Helen Upton
  - Christy Drumeva
  - Renata Gorecka
  - Cecilia del Rosario Alfaro
  - Jacqueline Krijger
  - Diana Neira
  - Rebecca Dávila
  - Maria Lourdes Gonzalez
  - Tanja Vienonen
  - Dela Tamakole
  - Jevon Pellacani
  - Lorena Palacios
  - Anita Yuen
  - Christabelle Howie
  - Siobhan McLafferty
  - Dis Sigurgeirsdóttir
  - Miri Goldfarb
  - Maria Biscotti
  - Kimberley Mais
  - Atsuko Yamamoto
  - Katrin Richter
  - Leslie McLaren
  - Bethea Michelle Christian
  - Raema Chitty
  - Sharon Rosario
  - Kathy Hawkins
  - Monique Lindesay
  - Anne Lennard

  - Maribel Gutiérrez Tinoco
  - Seo Jung-min
  - Viviana Múñoz
  - Fidaa Chehayeb
  - Annette Feydt
  - Elaine Chew
  - Michelle Zarb
  - Dhandevy Jeetun
  - Lupita Jones
  - Ronel Liebenberg
  - Ana Sofía Pereira
  - Tonia Okogbenin
  - Lene Maria Pedersen
  - Liz Michelle de León
  - Vivian Benítez
  - Eliana Martínez
  - Maréva Georges
  - Joanna Michalska
  - Lissette Bouret
  - Melissa Vargas
  - Daniella Nane
  - Samantha Robertson
  - Eileen Yeow
  - Esther Arroyo
  - Diloka Seneviratne
  - Simone Vos
  - Susanna Gustafsson
  - Lin Shu-Chuan
  - Jiraprapa Sawettanan
  - Josie Anne Richards
  - Pinar Ozdemir
  - Yulia Lemigova
  - Adriana Comas
  - Jackeline Rodríguez
  - Nataša Pavlović
  - Marina Popou

Pranala luar 
 Situs resmi Miss Universe

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