The mandate of the Select Committees is anchored under the Tharaka Nithi County Standing Orders No. 216- 223 and 225. These committees are:
- Hon.S. Nderi Justin Kithinji Chairperson
- Hon. Kabii Jones Kinegeni Member
- Hon. Nevert Ntwiga Member
- Hon. Muchiri Godfrey Murithi Member
- Hon. Marengo Luke Nyagah Njeru Member
- Hon. Njagi Joseph Kinyua Member
- Hon. Karuku Wanja Member
- Hon. Mbabu John –Speaker Chairperson
- Hon. S. Nderi Justin Kithinji Vice Chairperson
- Hon. John Joseph Njeru Member
- Hon. Kamunyu Kennedy Member
- Hon. Nyaga Frankline Mawira Member
- Hon. Kiriko Jacob Murimi Ndeke Member
- Hon. Muchiri Godfrey Murithi Chairperson
- Hon. Riungu Nancy Muthoni Vice Chairperson
- Hon. Kabii Jones Kinegeni Member
- Hon. S. Nderi Justin Kithinji Member
- Hon. Marengo Luke Nyagah Njeru Member
- Hon. Mbae Lysbeth Gatiria Chairperson
- Hon. Njagi Zacharia Mwaniki Vice Chairperson
- Hon. Mbae Anita Karimi Member
- Hon. Kamunyu Kennedy Member
- Hon. Kiriko Jacob Murimi Ndeke Member
- Hon. Nevert Ntwiga Chairperson
- Hon. Njagi Joseph Kinyua Vice Chairperson
- Hon. Kathuni Risper Gakii Member
- Hon. Murungi Rael Fatuma Member
- Hon. Mwaura Joel Mwangi Member
- Hon. John Joseph Njeru Member
- Hon. Nyaga Frankline Mawira Member
- Hon. Kabii Jones Kinegeni Chairperson
- Hon. S. Nderi Justin Kithinji Vice Chairperson
- Hon. Gitonga Morris Maugu Member
- Hon. Lucy Muthoni Ndiga Member
- Hon. Mugao Salvestas Kanyaru Member
- Hon. Riungu Nancy Muthoni Member
- Hon. Wanja Karuku Member
- Hon. John Mbabu – Speaker Chairperson
- Hon. Gitonga Leonard J. Kithuka Vice Chairperson
- Hon. S. Nderi Justin Kithinji Member
- Hon. Kabii Jones Kinegeni Member
- Hon. Njagi Joseph Kinyua Member
- Hon. Karuku Wanja Member
- Hon. Purity Wanja M’Rithaa Member
- Hon. Mugao Salvestas Kanyaru Member
- Hon. Gitonga Morris Maugu Member
- Hon. Gitonga Leonard J. Kithuka Chairperson
- Hon. Kabii Jones Kinegeni Vice Chairperson
- Hon. S. Nderi Justin Kithinji Member
- Hon. Gitonga Morris Maugu Member
- Hon. Mugao Salvestas Kanyaru Member
- Hon. Mbae Lysbeth Gatiiria Member
- Hon. Nevert Ntwiga Member
- Hon. Muchiri Godfrey Murithi Member
- Hon. Mbae Anita Karimi Member
- Hon. Njagi Joseph Kinyua Member
- Hon. John Joseph Njeru Member
- Hon. Nyaga Frankline Mawira Member
- Hon. Marengo Luke Njeru Member
- Hon. Kamunyu Kennedy Member
- Hon. Kiriko Jacob Murimi Ndeke Member
- Hon. Mbabu John -Speaker Chairperson
- Hon. Gitonga Leonard J. Kithuka Vice Chairperson
- Hon. Purity Wanja M’Rithaa Member
- Hon. Muchiri Godfrey Murithi Member
- Hon. Mugao Salvestas Kanyaru Member