Saïd Amir Arjomand (bahasa Persia: سعید امیر ارجمند) adalah seorang cendekiawan Iran-Amerika yang berprofesi sebagai Profesor Sosiologi di Universitas Stony Brook, Long Island, serta Direktur Stony Brook Institute for Global Studies. Ia memperoleh gelar Ph.D. dari Universitas Chicago pada tahun 1980.
Arjomand adalah pendiri dan ketua Association for the Study of Persianate Societies (ASPS) serta salah satu pendiri dan penyunting Journal of Persianate Studies.
- Revolution: Structure and Meaning in World History, the University of Chicago Press, 2019.
- Sociology of Shi`ite Islam. Collected Essays, Leiden: E.J. Brill, 2016.
- After Khomeini, Iran under his Successors, Oxford University Press, 2009.
- Social Theory and Regional Studies in the Global Age, edited, SUNY Press, 2013.
- Worlds of Difference, co-edited, Sage, 2013.
- The Rule of Law, Islam and Constitutional Politics in Egypt and Iran, edited with Nathan J. Brown, State University of New York Press, 2013.
- Constitutional Politics in the Middle East, edited with an introduction, London: Hart Publishers, 2008.
- Constitutionalism and Political Reconstruction, edited with an introduction, Leiden: E.J. Brill, 2007.
- Rethinking Civilizational Analysis, edited with Edward A. Tiryakian, London: Sage Publishers, 2004.
- The Shadow of God and the Hidden Imam: Religion, Political Organization and Societal Change in Shi'ite Iran from the Beginning to 1890, the University of Chicago Press, 1984
- The Turban for the Crown. The Islamic revolution in Iran, Oxford University Press, 1988
- The Political Dimensions of Religion, edited with an introduction, State University of New York Press, 1993.