Nigerian National Assembly delegation from Osun
The Nigerian National Assembly delegation from Osun State comprises three Senators and nine Representatives.
10th Assembly (2023—2027)
The People's Democratic Party won all three senatorial seats and the nine house of representatives seats in Osun State. They are as follows:| Senator | Party | Constituency |
| Fadeyi Oluwole Olubiyi | PDP | Osun Central |
| Fadahunsi Francis Adenigba | PDP | Osun East |
| Oyewumi Kamorudeen Olalere | PDP | Osun West |
| Representative | Party | Constituency |
| Adewale Morufu Adebayo | PDP | Irepodun/Olorunda/Osogbo/Orolu |
| Ajilesoro Abimbola Taofeek | PDP | Ife Central/East/North/South |
| Bamidele Salam | PDP | Ede North/South/Egbedore/Ejigbo |
| Mudashiru Lukman Alani | PDP | Ayedire/Iwo/Ola-Oluwa |
| Adetunji Abidemi Olusoji | PDP | Odo-Otin/Ifelodun/Boripe |
| Akanni Clement Ademola | PDP | Boluwaduro/Ifedayo/Ila |
| Omorin Emmanuel Olusanya | PDP | Atakunmosa East/West/Ilesa East/West |
| Oluwole Oke Busayo | PDP | Obokun/Oriade |
| Oladebo Lanre Olomololaye | PDP | Ayedaade/Irewole/Isokan |
9th Assembly (2019–2023)
| Representative | Party | Constituency |
| Oyewo Olubukola Oyegbile | APC | Irepodun/Olorunda/Osogbo/Orolu |
| Ajilesoro Abimbola Taofeek | PDP | Ife Central/East/North/South |
| Bamidele Salam | PDP | Ede North,South/Egbedero/Ejigbo |
| Amobi Yinusa Akintola | APC | Ayedire/Iwo/Ola-Oluwa |
| Afolabi Rasheed Olalekan | APC | Odo-Otin/Ifelodun/Boripe |
| Olufemi Fakeye | APC | Boluwaduro/Ifedayo/Illa |
| Lawrence Babatunde Ayeni | APC | ATAKUNMOSA EAST/ATAKUNMOSA WEST/IJESA |
| Oluwole Oke | PDP | Obokun/Oriade |
| Taiwo Olukemi Oluga | APC | Ayedaade/Irewole/Isokan |
8th Assembly (2015–2019)
| Senator | Party | Constituency |
| Olusola Adeyeye | APC | Osun Central |
| Babajide Omoworare | APC | Osun East |
| Ademola Adeleke | PDP | Osun West |
| Representative | Party | Constituency |
| Yusuf Sulaimon Lasun | PDP | Irepodun/Olurunda/Osogbo/Orolu |
| Albert Adeogun | PDP | Ife Central/East/North/South |
| Mojeed Alabi | APC | Ede North,South/Egbedero/Ejigbo |
| Ajayi Adeyinka | APC | Ife Federal Constituency |
| Gafaru Akintayo | APC | Ayedire/Iwo/Ola-Oluwa |
| Ajayi Ayantunji | APC | Odo-Otin/Ifelodun/Boripe |
| Julius Fakeye | APC | Boluwaduro/Ifedayo/Illa |
| Ajibola Famurewa | APC | ATAKUNMOSA EAST/ATAKUNMOSA WEST/IJESA |
| Oluwole Oke | PDP | Obokun/Oriade |
| Ayo Omidiran | APC | Ayedaade/Irewole/Isokan |
6th Assembly (2007–2011)
The 6th National Assembly was inaugurated on 5 June 2007.The People's Democratic Party won all three Senate and ten House seats
Senators representing Osun State in the 6th Assembly were:
| Senator | Constituency | Party |
| Isiaka Adetunji Adeleke | West | PDP |
| Iyiola Omisore | East | PDP |
| Simeon Oduoye | Central | PDP |
Representatives in the 6th Assembly were:
| Representative | Constituency | Party |
| Adeyemi Adejare | Irepodun/Olurunda/Osogbo/Orolu | PDP |
| Albert Adeogun | Ife Central/East/North/South | PDP |
| Falade Ajibade Michael | Ede North,South/Egbedero/Ejigbo | PDP |
| Fasogbon John Olawole | Ife Federal Constituency | PDP |
| Jolaoya George | Ayedire/Iwo/Ola-Oluwa | PDP |
| Kayode Idowu | Odo-Otin/Ifelodun/Boripe | PDP |
| Kolawole Ismaila | Boluwaduro/Ifedayo/Illa | PDP |
| Olugbenga Onigbogi | ATAKUNMOSA EAST/ATAKUNMOSA WEST/IJESA | PDP |
| Oluwole Oke | Obokun/Oriade | PDP |
| Patricia Etteh | Ayedaade/Irewole/Isokan | PDP |