• Academy of Television, Arts and Sciences Internship Program
• ABA American Bar Association Internships for Undergrads in Chicago
• ABA American Bar Association Internships for Undergrads in Washington, D.C.
• Business.com: Resources for entry level internships in a variety of fields  
• Centers for Disease Control and Prevention Internships :  Department of Health and Human Services
• Collegegrad.com:  Search engine that allows search of internship postings by keywords, job type/level, job categories, and locations
• Congressional Research Service (Library of Congress) Intern Program:  Opportunity to observe and learn about the legislative process at the national level
• Creative Jobs Central :  Fashion, music, marketing, advertising, entertainment, and public relations internships
• EntertainmentCareersNet:  Entertainment jobs and internships listings at Studios, Networks, Production Companies, Record Companies, TV and Radio Stations, VFX, Animation, Broadcasting
• Entertainment Internships: Making the most of your entertainment internship
• Environmental Careers Organization (ECO): Environmental internships at government agencies, nonprofit organizations, and companies across the United States and its territories
• FBI Honors Internship:  Paid summer internships offering students an exciting insider's view of FBI operations and provides an opportunity to explore the many career opportunities within the Bureau.  (Note:  Deadlines are typically in October for the following summer)
• Federal Government Internships (Studentjobs.gov)
• FedJobs:  Federal Government Internships
• Film Internships
• Global Vision International:  Volunteer Program
• Habitat for Humanity:  Seeks to eliminate poverty and homelessness
• Idealist: Global clearinghouse of non-profit resources
• InternNet:  Access to numerous internship resources and search engines
• InternshipPrograms.com: Access a large database of internship listings
• Internships and Summer Jobs: From Loyola College.
• Intern Web: Search for internships by location or type of position.
• Journalism Internships: From UC Berkeley.
• Microsoft Internships
• Minnesota Internships
• NASA Student Opportunities (internships and jobs): NASA student opportunities are designed to combine academic studies with on-the-job training and experience and to give students an opportunity to work with NASA while completing their education. Each NASA Field Center manages its own programs.
• National Institutes of Health
  
• National Organization for Women (NOW):  Feminist advocacy group
• National Public Radio Internships
• National Science Foundation: Research Experiences for Undergraduates Program.
• National Security Education Program
• National Society for Experiential Education
• Not-for-profit Internships: Search engine from Idealist.org: Action without Borders.
  
• Oregon Internships
• Physics Internships: From the American Institute of Physics.
• Physics and Astronomy Internships: From Carleton College.
• Resort Intern Connections
• Rising Star Internships
• Science Internships:
• • BioSpace: Bio-tech and pharmaceutical news, jobs, and internships
  • CIRRUS Undergraduate Summer Research Opportunities : A Chemistry oriented search engine
  • National Council for Science and Environment
  • National Science Foundation (NSF) Research Experiences for Undergraduate: The NSF is an independent government agency responsible for promoting scientific and engineering research experiences for undergrads
  • Partnership for Minority Advancement in the Biomolecular  Sciences: Summer internships and research programs, stipends, travel funds, and other opportunities for undergraduates in the biological sciences
  • Science.gov
    
• Scoville (Herbert) Peace Fellowship
• Smithsonian Institute Internships:  Primarily museum, art, and history internships
• State Farm Internships
• Statistics Internships: From the American Statistical Association.
• Student Conservation Association: Largest and oldest provider of internships, national and community conservation service opportunities, outdoor education and career training.
• Student Educational Employment Program: The two components are the Student Temporary Employment Program (STEP) and the Student Career Experience Program (SCEP). These are available to all levels of students: high school, vocational and technical, associate degree, baccalaureate degree, graduate degree and professional degree students. Most federal agencies participate.
• Summer Camps
• Summer Jobs
• The Princeton Review:  Internship search engine
  
• Therapeutic Recreation Internships
• Top 10 FAQs About Independent Internships
• TV Jobs: Internships at television stations arranged by category of job.
• U.S. Dept. of State Internships
  
• Vault:  Internship search engine
• Volunteers for Peace: 1500 short-term intercultural adventures in 70 countries.
• Washington Center for Internships and Academic Seminars
• Washington Internship Institute
• Websites with internship opportunities for undergraduates
• White House Internship Program
• WNBC Internship Program
• World Bank: Young Professionals Program

Internship Articles

• Inc.com:  Articles on the advantages of interning and on how to land the internship of your choice.