There are several lists of members of the United States Congress who died in office. These include:
List of members of the United States Congress who died in office (1790–1899) List of members of the United States Congress who died in office (1900–1949) List of members of the United States Congress who died in office (1950–1999) List of members of the United States Congress who died in office (2000–present)
See also Deaths of United States federal judges in active service List of presidents of the United States who died in office