| Official Name: | Totonnoukon |
| Settlement Type: | Arrondissement |
| Pushpin Map Caption: | Location in Benin |
| Subdivision Type: | Country |
| Subdivision Name: |  Benin |
| Subdivision Type1: | Department |
| Subdivision Name1: | Plateau Department |
| Subdivision Type2: | Commune |
| Subdivision Name2: | Adja-Ouèrè |
| Unit Pref: | Imperial |
| Population As Of: | 2002 |
| Population Total: | 10,053 |
| Timezone: | WAT |
| Utc Offset: | +1 |
Totonnoukon is an arrondissement in the Plateau department of Benin. It is an administrative division under the jurisdiction of the commune of Adja-Ouèrè. According to the population census conducted by the Institut National de la Statistique Benin on February 15, 2002, the arrondissement had a total population of 10,053.[1]