| National Slavery and Human Trafficking Prevention Month | Human rights and trafficking prevention | January 2027 |
| World Braille Day | Blind and low-vision communities | Jan. 4, 2027 |
| Martin Luther King Jr. Day | Black history and the civil rights movement | Jan. 18, 2027 |
| International Day of Education | Equitable access to education | Jan. 24, 2027 |
| International Holocaust Remembrance Day | Remembrance of Holocaust victims and survivors | Jan. 27, 2027 |
| Black History Month | Black and African American histories, cultures, and contributions | February 2027 |
| National Freedom Day | Commemoration of the abolition of slavery in the United States | Feb. 1, 2027 |
| Lunar New Year | Chinese, Korean, Vietnamese, and other Asian cultures and communities | Feb. 6, 2027 |
| Women’s History Month | Women’s histories and contributions | March 2027 |
| Irish American Heritage Month | Irish American history and culture | March 2027 |
| Developmental Disabilities Awareness Month | People with developmental disabilities and disability access | March 2027 |
| International Women’s Day | Women’s rights and gender equity | March 8, 2027 |
| International Day for the Elimination of Racial Discrimination | Racial justice and human rights | March 21, 2027 |
| International Transgender Day of Visibility | Transgender and gender-expansive communities | March 31, 2027 |
| Arab American Heritage Month | Arab American histories, cultures, and contributions | April 2027 |
| Autism Acceptance Month | Autistic people and communities | April 2027 |
| World Autism Awareness Day | Autistic people and communities | April 2, 2027 |
| Earth Day | Environmental justice awareness | April 22, 2027 |
| Asian American, Native Hawaiian, and Pacific Islander Heritage Month | AANHPI histories, cultures, and contributions | May 2027 |
| Haitian Heritage Month | Haitian and Haitian American histories and cultures | May 2027 |
| Jewish American Heritage Month | Jewish American history, culture, and contributions | May 2027 |
| Mental Health Awareness Month | Mental health education, advocacy, and access | May 2027 |
| International Day Against Homophobia, Biphobia, and Transphobia | LGBTQ+ rights and visibility | May 17, 2027 |
| World Day for Cultural Diversity for Dialogue and Development | Cultural diversity and cross-cultural understanding | May 21, 2027 |