| 1930 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1964 | | Guayaquil | placement.3RU |
| 1965 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1966 | | Quito | page.geo_unit_pageant.unplaced |
| 1966 | | Quito | page.geo_unit_pageant.unplaced |
| 1966 | | Quito | page.geo_unit_pageant.unplaced |
| 1971 | | Quito | page.geo_unit_pageant.unplaced |
| 1972 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1983 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1987 | | Guayaquil | placement.2RU |
| 1992 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1999 | | Quito | page.geo_unit_pageant.unplaced |
| 2008 | | Quito | page.geo_unit_pageant.unplaced |
| 2009 | | Manta | page.geo_unit_pageant.unplaced |
| 2010 | | Quito | page.geo_unit_pageant.unplaced |
| 2015 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 2018 | | Machala | page.geo_unit_pageant.unplaced |
| 2018 | | Machala | page.geo_unit_pageant.unplaced |
| 2020 | | Manta | page.geo_unit_pageant.unplaced |