The Senate represents the counties, and serves to protect the interests of the counties and their governments.
The Senate participates in the law-making function of Parliament by considering, debating and approving Bills concerning counties, as provided in Articles 109 to 113.
| County | Senator |
|---|---|
| Mombasa | Mohammed Faki Mwinyihaji |
| Kwale | Issa Juma Boy |
| Kilifi | Stewart Mwachiru Shadrack Madzayo |
| Tana River | Golich Juma Wario |
| Lamu | Hassan Abdalla Albeity |
| Taita Taveta | Johnes Mwashushe Mwaruma |
| Garissa | Mohammed Yusuf Haji |
| Wajir | Abdullahi Ibrahim Ali |
| Mandera | Hassan Aden Osman |
| Marsabit | Godana Hargura |
| Isiolo | Dullo Fatuma Adan |
| Meru | Franklin Mithika Linturi |
| Tharaka Nithi |
Kithure Kindiki
|
| Embu | Peter Njeru Ndwiga |
| Kitui | Enoch Kiii Wambua |
| Machakos |
Boniface Mutinda Kabaka
|
| Makueni | Mutula Kilonzo Junior |
| Nyandarua | Paul Githiomi Mwangi |
| Nyeri | ENG Ephraim Mwangi Maina Kirinyaga |
| Kirinyaga |
Daniel Karaba Dickson
|
| Murang’a | Irungu Kang’ata |
| Kiambu | Wamatangi Paul Kimani |
| Turkana | Malachy Charles Ekal Imana |
| West Pokot | Samu Losuron Poghisio |
| Samburu | Steve Ltumbesi Lelegwe |
| Trans Nzoia | Michael Maling’a Mbito |
| Uasin Gishu | Margaret Jepkoech Kamar |
| Elgeyo/Marakwet | Onesmus Kipchumba Murkomen |
| Nandi | Cherargei Samson |
| Baringo | Gideon Moi |
| Laikipia | John Kinyua Nderitu |
| Nakuru | Susan Kihika |
| Narok | Ledama Ole Kina |
| Kajiado | Phillip Salau Mpaayei |
| Kericho | Aaron Kipkirui Cheruiyot |
| Bomet | Christopher Andrew Lagat |
| Kakamega | Cleophas Wakhungu Malala |
| Vihiga | Khaniri George |
| Bungoma | Moses Wetangula |
| Busia | Amos Wako |
| Siaya | James Orengo |
| Kisumu | Fredrick Otieno Outa |
| Homa Bay | Moses Kajwang |
| Migori | Ochillo Ayako |
| Kisii | Samson Kegengo Ongeri |
| Nyamira | Erick Okongo Mogeni |
| Nairobi | Johnson Arthur Sakaja |