Sayed Ammar Nakshawani (Arabic: عمار النقشواني; Azerbaijani: Əmmar Nəqşəvani) is a British-Iraqi Shia scholar, author and public lecturer of Azerbaijani descent. He is recognized for his contributions to Islamic history, theology, and inter-sectarian dialogue. In 2022, he launched Shia Voice, a digital platform designed to promote Shia teachings and facilitate engagement with younger audiences through lectures, discussions, and online media. The platform aims to provide accessible religious education, encourage thoughtful reflection, and foster a sense of community among Shia Muslims worldwide.

Nakshawani has delivered lectures at numerous academic institutions and interfaith forums globally. He is noted for addressing contemporary issues facing Muslim youth while advocating for unity and dialogue across sectarian lines. His work has garnered both praise for its clarity and accessibility and some criticism from those who call for greater scholarly rigor.

Nakshawani was listed among The 500 Most Influential Muslims in 2014. He served as a visiting scholar at Columbia University's Middle East Institute and previously held the Imam Ali Chair for Shi'i Studies and Dialogue among Islamic Legal Schools at Hartford Seminary. He has lectured extensively at universities and institutions around the world, including Oxford University, Cambridge University, and the University of California, Los Angeles (UCLA), as well as at international conferences on interfaith dialogue, counter-extremism, and Islamic ethics.