Wan Junaidi bin Tuanku Jaafar (Jawi: وان جنيدي بن توانكو جعفر, born 1 February 1946) is a Malaysian politician, lawyer and former senior police officer who is the eighth and current Yang di-Pertua Negeri of Sarawak.

He is also the third shortest-serving President of the Dewan Negara after Syed Sheh Barakbah and Mutang Tagal, serving in the position for only seven months before resigning to assume office as the Yang-di Pertua Negeri of Sarawak.

[6] He joined the Public Works Department at the age of 17, gaining skills in road construction under Australian engineer guidance.

He believed that having a representative from Sarawak in such ministry could facilitate smoother communication with the federal government, especially concerning the claim process involving Petronas.

Wan Junaidi also established the Malaysia Pavilion to showcase the country's efforts in combating climate change, with a focus on forest management and renewable energy.

Under Wan Junaidi's leadership, Malaysia was proposed by Guatemala to chair the Group of Like-Minded Megadiverse Countries (LMMC), representing the Asian region from 2017 to 2018.

In February 2020, a significant political development led to the collapse of the ruling Pakatan Harapan (PH) coalition government and the subsequent resignation of Prime Minister Mahathir Mohamad, who had been in power for 22 months.

Following these events, the Perikatan Nasional (PN) coalition government, headed by Prime Minister Muhyiddin Yassin, assumed power.

During the onset of the pandemic, the ministry allocated RM200 million under the Additional Economic Stimulus Package (Rakyat Prihatin PKS) to support micro-entrepreneurs affected by the crisis in April.

This scheme provided essential capital injection financing to help affected entrepreneurs recover and revive their businesses without any additional charges.

Through PENJANA, the government provided financial assistance, promoted digital transformation, and offered targeted sectoral support.

Additionally, initiatives like the e-commerce campaign and technical support programmes bolstered efforts to enhance business resilience and competitiveness in the digital economy.

[19] In August, Wan Junaidi found himself in a situation where he lacked knowledge about the allocation of RM20 million in public funds invested in Aerodyne Ventures Sdn.

He said the private sector's leadership in the development of the flying car industry, with the government acting as a facilitator for SME entrepreneurs in drone services.

Subsequent to Muhyiddin's resignation as Prime Minister on 16 August 2021 after the loss of the government's majority amid the ongoing political crisis, his cabinet was dissolved.

In September 2021, the Kuching High Court issued an order directing the government to lower the voting age from 21 to 18 years old and to implement automatic voter registration by the end of December.

[27] In March 2022, a constitutional amendment concerning the new minimum voting age and automatic voter registration was ratified under the direction of Wan Junaidi.

[3] In his speech outlining his agendas after the swearing-in ceremony, Wan Junaidi expressed his commitment to prioritise the implementation of the code of ethics for Senators, reintroduce the Parliamentary Services Act, amend the Houses of Parliament (Privilege and Powers) Act 1952, and revise the Dewan Negara Regulations to strengthen the role of committees in Parliament.

[31] On 19 January 2024, he was reported to have resigned as President of the Dewan Negara and Senator to assume the office as the Yang di-Pertua Negeri of Sarawak.