General forms

• Racism
  
• Sexism
  
• Ageism
  
• Religious intolerance
  
• Xenophobia
  

Specific forms
Social
Homophobia · Transphobia
Ableism · Sizeism · Adultism
Misogyny · Misandry · Lookism
Gerontophobia · Classism · Elitism

Manifestations
Slavery · Racial profiling · Lynching
Hate speech · Hate crime · Hate groups
Genocide · Holocaust · Pogrom
Ethnocide · Ethnic cleansing · Race war
Religious persecution · Gay bashing
Pedophobia · Ephebiphobia

Movements
Discriminatory
Aryanism · Neo-Nazism · Supremacism
Kahanism
Anti-discriminatory
Abolitionism · Civil rights · Gay rights
Women's/Universal suffrage · Men's rights
Children's rights · Youth rights
Disability rights · Inclusion
Social model of disability · Autistic rights

Policies
Discriminatory
Segregation: Racial/Ethnic/Religious/Sexual
Apartheid · Redlining · Internment
Anti-discriminatory
Emancipation · Civil rights · Desegregation
Integration · Reservation · Reparations
Affirmative action · Racial quota

Law
Discriminatory
Anti-miscegenation · Anti-immigration
Alien and Sedition Acts · Nuremberg Laws
Jim Crow laws · Black codes · Apartheid laws
Anti-discriminatory
List of anti-discrimination acts

Other forms
Nepotism · Cronyism
Colorism · Linguicism
Ethnocentrism · Triumphalism
Adultcentrism · Isolationism
Economic discrimination

Related topics
Prejudice · Supremacism · Intolerance
Tolerance · Diversity · Multiculturalism
Political correctness · Reverse discrimination
Eugenics · Racialism