Abang Muhammad Salahuddin
| Abang Muhammad Salahuddin Abang Barieng | |
|---|---|
| ابڠ محمد صلاح الدين بن ابڠ باريئڠ | |
| Salahuddin in 2011 | |
| 3rd and 6th Yang di-Pertua Negeri of Sarawak | |
| In office 22 February 2001 – 28 February 2014 | |
| Chief Minister | Abdul Taib Mahmud | 
| Preceded by | Ahmad Zaidi Adruce | 
| Succeeded by | Abdul Taib Mahmud | 
| In office 2 April 1977 – 2 April 1981 | |
| Chief Minister | Abdul Rahman Ya'kub Abdul Taib Mahmud | 
| Preceded by | Tuanku Bujang Tuanku Othman | 
| Succeeded by | Abdul Rahman Ya'kub | 
| Personal details | |
| Born | Louis anak Barieng 27 August 1921 Kampung Nangka, Sibu, Raj of Sarawak | 
| Died | 28 January 2022 (aged 100) Normah Medical Centre, Petra Jaya, Kuching, Sarawak | 
| Resting place | Samariang Muslim Cemetery, Kuching, Sarawak | 
| Spouses | Toh Puan Dayang Umi Kalthum  (died 1995) Toh Puan Norkiah Abdullah  (m. 1996; died 2021) | 
| Children | 12 | 
Abang Muhammad Salahuddin bin Abang Barieng (né Louis anak Barieng; Jawi: ابڠ محمد صلاح الدين بن ابڠ باريئڠ; 27 August 1921 – 28 January 2022) was a Malaysian politician who served as the third Yang di-Pertua Negeri of Sarawak from 1977 to 1981, and as the sixth Yang di-Pertua Negeri from 2001 to 2014. He was the first Yang di-Pertua Negeri to hold the post twice, as well as the oldest elected to the office.