List of maritime disasters in the 19th century

A maritime disaster is an event which usually involves a ship or ships and can involve military action. Because of the nature of maritime travel, there is often a substantial loss of life. This list covers those disasters where 30 or more lives were lost.

Peacetime disasters
Many maritime disasters happen outside the realms of war. All ships, including those of the military, are vulnerable to problems from weather conditions, faulty design or human error. Some of the disasters below occurred in periods of conflict, although their losses were unrelated to any military action. The table listings are in descending order of the magnitude of casualties suffered.

Wartime disasters
Disasters with high losses of life can occur in times of armed conflict. Shown below are some of the known events with major losses.