Mitchell v. United States was a landmark legal case that took place in 1951 and had significant implications for civil rights and equality in the United States. The case involved Roi Ottley and William L. Mitchell, two African American journalists who were denied entry into the National Press Club in Washington, D.C., on the basis of their race.

Ottley and Mitchell filed a lawsuit against the National Press Club, arguing that their exclusion violated their rights under the Fifth Amendment to the U.S. Constitution. The case was brought before the U.S. District Court for the District of Columbia, where Judge Richmond B. Keech ruled in favor of Ottley and Mitchell, stating that the National Press Club had unlawfully discriminated against them based on their race.

This decision was a significant victory for civil rights activists and marked a step towards greater equality and integration in American society. The Mitchell v. United States case highlighted the pervasiveness of racial discrimination and segregation in public spaces and institutions, and it helped pave the way for future legal battles and legislative efforts to combat racism and promote civil rights for all Americans.