- The Harvard Advocate: A literary and artistic magazine
- Bee Publishing Company: A student-run publishing company
- Harvard Book Club: A book club
- Harvard College Democrats: A student-run political organization
- Harvard College Republicans: A student-run political organization
- Harvard Debate Council: A debate team
- Harvard International Relations Council: A student-run international relations organization
- The Harvard Journal: A student-run literary magazine
- The Harvard Lampoon: A humor magazine
- Harvard Political Review: A student-run political magazine
- Harvard Salient: A student-run newspaper
- The Harvard Crimson: Harvard's oldest and most widely read student newspaper
- Harvard Radcliffe Dramatic Club: A student-run theater company
Cultural
- The Harvard African Students Association
- The Harvard Asian American Association
- The Harvard Black Men's Forum
- The Harvard Brazilian Students Association
- The Harvard Chabad Society
- The Harvard Chinese Students Association
- The Harvard Christian Fellowship
- The Harvard Cuban Students Association
- The Harvard Divinity School Christian Fellowship
- The Harvard Hillel
- The Harvard India Association
- The Harvard Japanese Students Association
- The Harvard Korean Students Association
- The Harvard Law School Christian Fellowship
- The Harvard Law School Jewish Students Association
- The Harvard Law School Muslim Students Association
- The Harvard Law School South Asian Law Students Association
- The Harvard Law School Women's Law Association
- The Harvard Medical School Christian Fellowship
- The Harvard Medical School Jewish Students Association
- The Harvard Medical School Muslim Students Association
- The Harvard Muslim Students Association
- The Harvard Native American Student Association
- The Harvard Nigerian Students Association
- The Harvard Pakistani Students Association
- The Harvard Panhellenic Council
- The Harvard Persian Students Association
- The Harvard Primus Association
- The Harvard Radcliffe Catholic Students Association
- The Harvard Russian Students Association
- The Harvard Sikh Students Association
- The Harvard South Asian Students Association
- The Harvard Taiwanese Students Association
- The Harvard Thai Students Association
- The Harvard Turkish Students Association
- The Harvard Ukrainian Students Association
- The Harvard Vietnamese Students Association
- The Harvard Women's Law Association
Professional
- The American Bar Association
- The Asia Law Society
- The Black Law Students Association
- The Business Law Society
- The Christian Legal Society
- The Civil Liberties Union
- The Corporate Counsel Association
- The Criminal Law Society
- The Environmental Law Society
- The European Law Society
- The Family Law Society
- The Federalist Society
- The Harvard Association for Law and Business
- The Harvard Environmental Law Society
- The Harvard Health Law Society
- The Harvard Human Rights Law Review
- The Harvard Immigration and Refugee Law Society
- The Harvard Intellectual Property Law Society
- The Harvard International Law Journal
- The Harvard Jewish Law Society
- The Harvard Law School Advocates for Human Rights
- The Harvard Law School Association of Women Law Students
- Harvard Law School Bankruptcy Club
- Harvard Law School China Law Society
- Harvard Law School Corporate Social Responsibility Club
- Harvard Law School Cyberlaw Club
- Harvard Law School Death Penalty Clinic
- Harvard Law School Dean's Scholars Society
- Harvard Law School Entrepreneurial Law Society
- Harvard Law School Equal Justice Foundation
- Harvard Law School Ethics Society
- Harvard Law School Entertainment, Arts, and Sports Law Society
- Harvard Law School Environmental Law Club
- Harvard Law School Externship Program
- Harvard Law School Federalist Society
- Harvard Law School Food and Drug Law Society
- Harvard Law School Foreign Policy Society
- Harvard Law School Forum for Corporate and Commercial Law
- Harvard Law School Graduate Student Council
- Harvard Law School Health Law Society
- Harvard Law School Human Rights Law Society
- Harvard Law School Intellectual Property Law Society
- Harvard Law School International Law Society
- Harvard Law School Journal of African American Law and Policy
- Harvard Law School Journal of Civil Rights and Civil Liberties
- Harvard Law School Journal of Criminal Law
- Harvard Law School Journal of Law and Public Policy
- Harvard Law School Journal of Law and Technology
- Harvard Law School Journal on Gender and the Law
- Harvard Law School Latino Law Students Association
- Harvard Law School Law and Business Society
- Harvard Law School Law and Development Student Association
- Harvard Law School Law and Human Rights Society
- Harvard Law School Law and Innovation Society
- Harvard Law School Law and Public Health Society
- Harvard Law School Mediation and Alternative Dispute Resolution Society
- Harvard Law School Middle Eastern Law Students Association
- Harvard Law School Moot Court Society
- Harvard Law School Muslim Law Students Association
- Harvard Law School National Lawyers Guild
- Harvard Law School Native American Law Students Association
- Harvard Law School Negotiation and Mediation Program
- Harvard Law School Patent Law Society
- Harvard Law School Post-Graduate Fellowship Program
- Harvard Law School Private Equity and Venture Capital Club
- Harvard Law School Public Interest Law Foundation
- Harvard Law School Real Estate Law Society
- Harvard Law School Securities Law Society
- Harvard Law School Sports Law Society
- Harvard Law School Student Government
- Harvard Law School Tax Law Society
- Harvard Law School TechLaw Society
- Harvard Law School Tort Law Society
- Harvard Law School Trial Advocacy Society
- Harvard Law School Women's Law Association
- Harvard Law Society on Criminal Justice
- Harvard Law Students for Justice
- Harvard National Security Journal
- Harvard Negotiation Law Review
- Harvard Law Review
- Harvard Legal Aid Bureau
- Harvard-Yenching Institute
- International Legal Studies Program
- Journal on Legislation
- Law Review
- National Lawyers Guild
- Real Property, Probate and Trust Law Journal
- Stone Society
Other
- The Harvard Athletic Association
- The Harvard Band
- The Harvard Chamber Singers
- The Harvard Chorale
- The Harvard College Opera
- The Harvard Crimson Key Society
- The Harvard Dance Team
- The Harvard Debating Union
- The Harvard Glee Club
- The Harvard IFC
- The Harvard Jazz Band
- The Harvard Marching Band
- The Harvard Outing Club
- The Harvard Radcliffe Dramatic Club
- The Harvard Radio Broadcast Club
- The Harvard Sailing Club
- The Harvard Skiing Club
- The Harvard Student Agencies
- The Harvard Symphony Orchestra
- The Harvard Table Tennis Club
- The Harvard Tennis Club
- The Harvard Track and Field Club
- The Harvard University Band
- The Harvard University Glee Club
- The Harvard University Orchestra
- The Harvard Water Polo Club