| Gadezai Tehsil | |
| Native Name: | |
| Settlement Type: | Tehsil |
| Blank Emblem Size: | 100px |
| Blank Emblem Type: | Logo |
| Mapsize: | 280px |
| Map Caption1: | Location within Pakistan |
| Subdivision Type: | Country |
| Subdivision Name: |  Pakistan |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khyber Pakhtunkhwa |
| Subdivision Type2: | District |
| Subdivision Name2: | Buner |
| Population As Of: | 1998 |
| Leader Title: | Chairman |
| Leader Name: | Sher Alam Khan |
| Blank Name Sec1: | Number of towns |
| Blank Name Sec2: | Number of Union Councils |
| Timezone1: | PST |
| Utc Offset1: | +5 |
| Leader Party: | PTI |
Gadezai is an administrative subdivision (tehsil) and Union council of Buner District in the Khyber Pakhtunkhwa province of Pakistan.
Gadezai was formally established by the appointment of first Assistant Commissioner/Subdivision Magistrate Syed Hammad Haider PMS on 29th July 2020.
District Buner has six tehsils: Daggar, Chagharzai, Chamla, Khudu Khel, Gagra and Gadezai. Each tehsil comprises certain union councils.Gadezai comprises union councils Abakhel and Malikhel.[1]
Gadai/Gadezai (Yusufzai) was the son of Tajezai, fourth son of Illiyaszai, whose father (Illiyas Khan) was the son of Musazai, Musazai was the second son of Yusuf Khan also known as Yusufzai. The descendants of Gadai are called Gadaizai or Gadezai (Zai means Descendants).
Gadai had five sons: Hassan Khel, Bahram Khel, Alisher Khel, Hussain Khel/Seen Khel, Ibrahim Khel. Descendants of the first four sons live in the villages of Sultanwas, Ghazikhany, Malakpur, Pacha, Bhai, Kalakhela, Balokhan, Battai, Narbatol,Dukada in Tehsil Gadezai, while the fifth son Ibrahim was separated from his father Gadezai in Kabul. The Descendants of Ibrahimkhel are known as Mughal Khel who are now living in the District Bannu. The main place of which is Ghoriwala.
The Salarzai Yusufzai Tribe (Brother tribe of Gadezai). Salarzai had 3 Sons: Ayubkhel, Malikhel, Manikhel. The Descendants of these Three Tribes are in Jowar, Baampoha, Bazargey, Kingargali, Naanser, Kaatkala, Charai, Leganrai and Koye. Malak Misri Khan Yusufzai (The 5th Ruler of Pakhtunkhwa State and Yusufzai Tribe) was also from Salarzai Yusufzai Tribe.