William Trost Richards (November 14, 1833 – November 8, 1905)  was an American landscape painter of the 19th century who is best known for his impressive depictions of coastal landscapes and seascapes. Richards was born in Philadelphia, Pennsylvania, in 1833 and showed an early interest and talent for art. He studied under various renowned artists, including Paul Weber and William Stanley Haseltine.

Richards traveled extensively and often painted in coastal regions, including New England and the East Coast of the United States. His paintings are characterized by their precise depiction of light and atmosphere and often show a quiet, contemplative mood. His love of nature and his ability to capture the beauty of the landscape are characteristic of his work.

Richards was also a member of the Hudson River School, a group of landscape painters known for their romantic and realistic depictions of the American landscape. His paintings were highly prized during his lifetime and can be found in many renowned museums and collections today.

William Trost Richards is considered one of the most important landscape painters of the 19th century in the United States and his work has had a lasting influence on American art history.