Congresswoman Dingell serves on the House Committee on Energy and Commerce, the House Committee on Natural Resources, and the Select Subcommittee on the Coronavirus Pandemic. On Energy and Commerce, Dingell is a member of the Subcommittee on Communications and Technology, the Subcommittee on Health, and the Subcommittee on Innovation, Data, and Commerce. On Natural Resources, Dingell is a member of the Subcommittee on Energy and Mineral Resources and the Subcommittee on Water, Wildlife, and Fisheries.
In addition, Congresswoman Dingell serves in the following leadership roles:
- Chair of the Heartland Caucus
- Co-Chair of the Bipartisan Disabilities Caucus
- Co-Chair of the Bipartisan Working Group to End Domestic Violence
- Co-Chair of the Medicare for All Caucus
- Co-Chair of the Great Lakes Task Force
- Co-Chair of the Congressional Autonomous Vehicle Caucus
- Co-Chair of the Endangered Species Act Caucus
- Co-Chair of the Expand Social Security Caucus
- Co-Chair of the New Economy Task Force, one of five House Democratic Caucus Jobs for America Task Forces
- Co-Chair of the Cancer Prevention Caucus
- Co-Chair of the Congressional Smart Transportation Caucus
- Co-Chair of the 5G Caucus
- Co-Chair of the Congressional Czech Caucus
- Co-Chair of the Friends of Finland Caucus
- Co-Chair of the Congressional Caucus on Macedonia and Macedonian-Americans
- Co-Chair of the Congressional Hungarian Caucus
- Co-Chair of the Congressional EMS Caucus
- Deputy Whip of the Congressional Progressive Caucus
- Vice Chair of the Congressional Sportsmen's Caucus
- Vice Chair of the Democracy Reform Task Force
- Vice Chair of the House Democratic Caucus Task Force on Aging and Families
She also serves on the following caucuses and working groups:
- Agriculture and Rural America Task Force
- Auto Care Caucus
- Bipartisan Congressional Task Force to Combat Identity Theft and Fraud
- Bipartisan Heroin Task Force
- Bipartisan Task Force for Combating Anti-Semitism
- Cancer Survivors Caucus
- Congressional 21st Century Skills Caucus
- Congressional Access to Civil Legal Service Caucus
- Congressional Addiction, Treatment and Recovery Caucus
- Congressional Air Force Caucus
- Congressional Aluminum Caucus
- Congressional Animal Protection Caucus
- Congressional Arts Caucus
- Congressional Arthritis Caucus
- Congressional Asian Pacific American Caucus (CAPAC)
- Congressional Assisting Caregivers Today Caucus
- Congressional Asthma and Allergy Caucus
- Congressional Biomedical Research Caucus
- Congressional Blue Collar Caucus
- Congressional Brain Injury Task Force
- Congressional Building Trades Caucus
- Congressional Buy American Caucus
- Congressional Caucus for Women's Issues
- Congressional Caucus on Deadliest Cancers
- Congressional Caucus on International Exchange and Study
- Congressional Caucus on Maternity Care
- Congressional Caucus on Poland
- Congressional Caucus on Prescription Drug Abuse
- Congressional Caucus on Public-Private Partnerships
- Congressional Chemistry Caucus
- Congressional Childhood Cancer Caucus
- Congressional Children's Health Care Caucus
- Congressional Civility Caucus
- Congressional Coast Guard Caucus
- Congressional Cooperative Business Caucus
- Congressional Cyber Security Caucus
- Congressional Cystic Fibrosis Caucus
- Congressional Emergency Medical Services (EMS) Caucus
- Congressional Energy and National Security Caucus
- Congressional Fire Services Caucus
- Congressional Food Safety Caucus
- Congressional Hearing Health Caucus
- Congressional Heart and Stroke Caucus
- Congressional Homelessness Caucus
- Congressional House Cancer Caucus
- Congressional House Manufacturing Caucus
- Congressional Invasive Species Caucus
- Congressional Inventions Caucus
- Congressional Labor and Working Families Caucus
- Congressional LGBT Equality Caucus
- Congressional Lung Cancer Caucus
- Congressional Lupus Caucus
- Congressional Mental Health Caucus
- Congressional Military Family Caucus
- Congressional Military Mental Health Care Caucus
- Congressional Military Sexual Assault Prevention Caucus
- Congressional Motorsports Caucus
- Congressional NASA Caucus
- Congressional National Parks Caucus
- Congressional Neuroscience Caucus
- Congressional Pension Protection for Working Families Caucus
- Congressional PFAS Task Force
- Congressional Pre-K Caucus
- Congressional Privacy Caucus
- Congressional Public Health Caucus
- Congressional Public Transportation Caucus
- Congressional Scouting Caucus
- Congressional Skin Cancer Caucus
- Congressional Small Business Caucus
- Congressional Soccer Caucus
- Congressional Social Work Caucus
- Congressional Sportsmen's Caucus
- Congressional US-China Working Group
- Congressional Veterans Jobs Caucus
- Congressional Victims' Rights Caucus
- Congressional Wildlife Refuge Caucus
- House Automotive Caucus
- House Gun Violence Prevention Task Force
- House Oceans Caucus
- House Sugar Caucus
- Hydrogen and Fuel Cell Caucus
- Medical Technology Caucus
- National Service Caucus
- Northern Border Caucus
- Public Works and Infrastructure Caucus
- Small Brewers Caucus
- Sustainable Energy and Environment Coalition (SEEC) Caucus