Salahuddin Wahid (11 September 1942 – 2 February 2020), colloquially known as Gus Solah, was an Indonesian Islamic scholar and politician.

He originated from a Nahdlatul Ulama family, and was the younger brother of Indonesian president Abdurrahman Wahid.

He served in the country's People's Consultative Assembly (1998–1999), and as the vice chair of the National Commission on Human Rights (2002–2004).

[2] After graduating from his studies, Salahuddin worked in architecture and had leadership positions in construction companies, but departed these roles following the Asian financial crisis.

The two engaged in public debates published by the newspaper Media Indonesia during October 1998, on the topic of their father's vision for the country.

[2] The ticket finished third with 22.15 percent of the votes, preventing them from advancing to the run-off which was later won by Susilo Bambang Yudhoyono and Jusuf Kalla.

He was buried in the Tebuireng burial grounds, in the same complex near his parents, grandparents, and his late brother Abdurrahman Wahid.