American Association of Neurological Surgeons (AANS) Medical Student Summer Research Fellowship
The fellowship is open to medical students in the United States or Canada who have completed one or two years of medical school and wish to spend a summer working in a neurosurgical laboratory, mentored by a neurosurgical investigator who is a member of the AANS and will sponsor the student.

American Association for Thoracic Surgery Summer Intern Scholarships
The Summer Intern Scholarship program was established in 2007 to introduce the field of cardiothoracic surgery to first and second year medical students in a North American medical school and to broaden their educational experience by providing an opportunity to spend eight weeks during the summer (June thru September) working in an AATS' members cardiothoracic surgery department.

American Parkinson Disease Association Summer Fellowship
In 2015, APDA and the Parkinson's Disease Foundation (PDF) partnered to expand their existing Summer Student Fellowships Programs, which supports students from advanced undergraduates to medical students in their pursuit of Parkinson's-related summer research projects. The goal of the APDA-PDF Summer Student Fellowships is to cultivate students' early interest in helping to solve, treat and end Parkinson's and providing the tools they need to transition into leaders in the field.

Arnold P. Gold Foundation Student Summer Research Fellowship
The Student Summer Research Fellowship grants are modeled on NIH short-term training grants, but are awarded for research into community health and cultural competency issues, rather than laboratory work. The Foundation's goal is to provide an opportunity for students to work directly with patients and to become more compassionate, relationship-centered physicians.

Betty Ford Institute Summer Institute for Medical Students (SIMS) 
Summer Institute for Medical Students (SIMS) is a week-long experiential learning program for 1st and 2nd year medical students to gain first-hand knowledge of treating addiction. The main objective of the SIMS Program is to provide medical students with the knowledge that addiction is a treatable family disease. 

David E. Rogers Fellowship Program
The Rogers Fellowship is meant to enrich the educational experiences of medical and dental students through projects that bear on medicine and dentistry as social enterprises that is, as enterprises devoted to the capacity of these professions in any and all of their expressions to serve human needs particularly the needs of underserved or disadvantaged patients or populations. The content of the Fellowship might include clinical investigation, health policy analysis, activities linking biomedicine, the social infrastructure and human need, or community activities.

Fight for Sight Summer Fellowship
Awards of $2,100 are offered to currently enrolled undergraduates, medical students or graduate students who wish to explore ophthalmology or eye research as a career. Students are expected to complete a short, independent project during the summer months under the guidance of a senior scientist or clinician. The goal of this award is to advance the skills needed to initiate and carry out research in a scientific environment. Lab employees are not eligible for this fellowship.

The Howard Hughes Medical Institute (HHMI ) Summer Medical Fellows Program
Program provides an 8-10 week research experience for medical, dental, and veterinary students in the laboratories of HHMI investigators or Janelia Farm researchers. This fellowship program is primarily aimed at those students who wish to explore the summer research experience with the intent of applying to a year-long research training program.

IDSA (Infectious Diseases Society of America) Medical Scholars Program
Students in any year of an accredited U.S. medical school are eligible for this award. The scholarship activity must focus on pediatric or adult infectious diseases and may involve either clinical or research activities. Acceptable clinical activities can range from a preceptorial relationship with an ID consultant to participation in clinical trials or any other appropriate variant of clinical activities. Acceptable research activities include all facets of infectious diseases, including epidemiology, microbiology, diagnosis, treatment, and prevention. Proposals will be classified as belonging to one of the following categories: Laboratory Research (domestic), Clinical Research, and International. Each student must have a mentor who is an IDSA member or fellow. Past award recipients may not reapply. Multiple students working on the same project may apply but must submit separate applications.

Johns Hopkins C.U.P.I.D. Summer Fellowship
Cancer in the Under-Privileged, Indigent, or Disadvantaged (CUPID) is a laboratory-based summer fellowship program at the Johns Hopkins University School of Medicine that is designed for medical students who have an interest in bringing the benefits of modern cancer research to underserved populations in the US.

Memorial Sloan-Kettering Cancer Center Summer Fellowship Program
The Medical Student Summer Fellowship program is an eight-week research program offered to medical students who have a career interest as a physician-scientist in the field of oncology and/or related biomedical sciences.

Rehabilitation Institute of Chicago Summer Externship Program
Fellowships are available in the following areas: traumatic brain injury, sports medicine/musculoskeletal, pediatric rehabilitation, chronic pain management, and spinal cord injury.

Roswell Park Cancer Institute Summer Research Experience Program in Oncology
The Roswell Park program provides competitive stipend support (projected at $350 per week) for students in the health professions (medicine, dentistry, osteopathy) to engage in clinical and/or basic scientific research for an eight week period. Some funding is available to defray costs of room.  However, dates of participation may be changed to accommodate your academic schedule..

Vanderbilt University Diabetes Center: Medical Student Summer Research
The Vanderbilt Student Research Training Program (SRTP) allows medical students to conduct research under the direction of a Vanderbilt scientist during the summer between the first and second year or second and third year of medical school. The possible areas of diabetes-related and obesity-related research are quite broad and range from basic laboratory studies on gene regulation to clinical studies in humans.

*All language used to describe awards comes directly from the respective scholarship web sites.