Miss Universo Participation
| Year | Miss Universe Ecuador | Province | City | Placement in Miss Universe |
|---|---|---|---|---|
| 1952 | ||||
| 1953 | ||||
| 1954 | ||||
| 1955 | Leonor Carcache Rodríguez | Guayas | Guayaquil | |
| 1956 | María Mercedes Flores Espin | Guayas | Guayaquil | |
| 1957 | Patricia Juliana Benítez Wright | Guayas | Guayaquil | |
| 1958 | Alicia Vallejo Eljuri | Chimborazo | Riobamba | |
| 1959 | Carlota Elena Ayala | Guayas | Guayaquil | |
| 1960 | Isabel Rolando Ceballos | Pichincha | Quito | |
| 1961 | Yolanda Palacios Chavert | Guayas | Guayaquil | |
| 1962 | Elaine Ortega Hougen | Guayas | Guayaquil | |
| 1963 | Patricia Córdova | Guayas | Guayaquil | |
| 1964 | Tanya Yela Klein Loffredo | Guayas | Guayaquil | |
| 1965 | Patricia Susana Ballesteros | Guayas | Guayaquil | |
| 1966 | Martha Cecilia Andrade Alomina | Guayas | Guayaquil | |
| 1967 | ||||
| 1968 | Priscilla Alava González | Guayas | Guayaquil | |
| 1969 | Rossana Vinueza Estrada | Guayas | Guayaquil | |
| 1970 | Zoila Montesinos Rivera | Manabi | Jipijapa | |
| 1971 | Ximena Moreno Ochoa | Pichincha | Quito | |
| 1972 | Susana Castro Jaramillo | Pichincha | Quito | |
| 1973 | ||||
| 1974 | ||||
| 1975 | Ana María Wray Salas | Guayas | Guayaquil | |
| 1976 | Gilda Plaza Guerra | Guayas | Guayaquil | |
| 1977 | Lucía del Carmen Hernández Quiñonez | Manabí | Chone | |
| 1978 | Mabel Cevallos Sangster | Guayas | Guayaquil | |
| 1979 | Ana Margarita Plaza | Guayas | Guayaquil | |
| 1980 | Leslie Verónica Rivas Franco | El Oro | Machala | |
| 1981 | Lucía Isabel Vinueza Urjelles | Guayas | Guayaquil | Top 12 |
| 1982 | Lorena Jacqueline Burgos García | Guayas | Guayaquil | |
| 1983 | Mariela del Mar García Monsalve | Manabí | Portoviejo | |
| 1984 | Leonor Patricia Gonzembach Vallejo | Guayas | Guayas | |
| 1985 | María Elena Stangl Tamayo | Guayas | Guayaquil | |
| 1986 | Verónica Lucía Sevilla Ledergeber | Pichincha | Quito | |
| 1987 | María del Pilar Barreiro Cucalón | Pichincha | Quito | |
| 1988 | Cecilia Pozo Caminer | Guayas | Guayaquil | |
| 1989 | María Eugenía Molina Astudillo | Guayas | Guayaquil | |
| 1990 | Jéssica Nuñez Severino | Guayas | Guayaquil | 22nd place |
| 1991 | Diana Neira Rassmussen | Guayas | Guayaquil | 50th place |
| 1992 | María Soledad Diab Aguilar | Guayas | Guayaquil | 31st place (Miss Photogenic) |
| 1993 | Arianna Mandini Klein | Guayas | Guayaquil | 41st place |
| 1994 | Mafalda Arboleda Arditto | Guayas | Guayaquil | 27th place |
| 1995 | Radmila Padnizic Arapov | Manabí | Manta | 64th place |
| 1996 | Mónica Paulina Chalá Mejía | Pichincha | Quito | 46th place |
| 1997 | María José López Verdú | Pichincha | Quito | 39th place |
| 1998 | Soraya Edith Hogonaga Serrano | Pichincha | Quito | |
| 1999 | Carolina Alfonso De La Paz | Pichincha | Quito | |
| 2000 | Gabriela Mercedes Cadena Védova | Guayas | Guayaquil | |
| 2001 | Jéssica Eliana Bermúdez Ronquillo | Guayas | Guayaquil | |
| 2002 | Isabel Cristina Ontaneda Pinto | Pichincha | Quito | |
| 2003 | Andrea Marcela Jácome Ruíz | Guayas | Guayaquil | |
| 2004 | María Susana Rivadeneira Simball | Pichincha | Quito | Top 10 |
| 2005 | Laura Ximena Zamora Moreano | Pichincha | Quito | |
| 2006 | Catalina Mercedes López Saman | Guayas | Guayaquil | |
| 2007 | María Lugina Cabezas Andrade | Pichincha | Quito | |
| 2008 | Doménica Francesca Saporitti Hinojosa | Guayas | Guayaquil | |
| 2009 | María Sandra Vinces Pinargote | Manabí | Portoviejo | |
| 2010 | Lady Fernanda Mina Lastra | Guayas | Guayaquil | |
| 2011 | Claudia Elena Schiess Fretz | Galápagos | Santa Cruz | |
| 2012 | Carolina Andrea Aguirre Pérez | Guayas | Guayaquil | |
| 2013 | Constanza María Báez Jalil | Pichincha | Quito |
- Semifinalist
^ Lucía Vinueza (1981), Mariela García (1983) and Isabel Ontaneda (2002) were born in Cuenca, but they represented their hometown's province.
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