| Honorific-Prefix: | Kyai Hajji |
| Ahmad Bahauddin Nursalim | |
| Religion: | Islam |
| Ethnicity: | Javabese |
| Era: | Modern era |
| Denomination: | Sunni |
| Jurisprudence: | Shafi‘i |
| Creed: | Ashʿari |
| Education: | Pondok Pesantren Al-Anwar |
| Occupation: | Leader of Supreme Council of Nahdlatul Ulama (2022–present) |
| Other Names: | Gus Baha |
| Nationality: | Indonesian |
| Birth Name: | Ahmad Bahauddin Nursalim |
| Birth Date: | 29 September 1970 |
| Birth Place: | Sarang, Rembang Regency, Central Java |
| Teachers: | Maimun Zubair |
| Relatives: | Nasirul Mahasin (elder brother) |
| Background: | grayish white |
Ahmad Bahauddin Nursalim (born September 29, 1970) or better known as Gus Baha is a cleric from Rembang Regency, Central Java, who specializes in interpreting the quran.[1]
He is the leader of Pondok Pesantren Tahfidzul Qur'an LP3IA,, since the death of his father, KH. Nursalim, in 2005.[2] In 2022, he was appointed as one of the Rais Syuriyah (Leader of Supreme Council) of Nahdlatul Ulama along with several otherscholars including Nasaruddin Umar,, .[3]