John Moran (1821–1903) was a British-born American landscape painter and photographer who became a significant figure in the artistic life of Philadelphia during the second half of the nineteenth century. Born in Bolton, Lancashire, England, he emigrated to the United States as a young man and settled in Philadelphia, where he became closely associated with one of the most remarkable artistic families in American history. He was the brother of the celebrated landscapist Thomas Moran and the marine painter Edward Moran, and the fraternal environment of shared ambition and mutual influence shaped his own artistic development.

Moran worked primarily in oil and watercolor, depicting landscapes of the American East Coast, the Delaware Valley, and coastal scenes with a sensibility rooted in the traditions of the Hudson River School. His work shows an attentiveness to atmospheric effects and the play of light over water and terrain that reflects both the influence of his more famous brother Thomas and a genuine personal engagement with the American landscape. He also pursued photography at a time when the medium was gaining recognition as an art form in its own right, and his photographic work contributed to the broader project of documenting the American environment.

Although John Moran's reputation was inevitably somewhat eclipsed by the fame of Thomas Moran — whose monumental paintings of Yellowstone and the American West were landmarks of nineteenth-century art — John carved out a respected career on his own terms. He exhibited regularly at Philadelphia venues and was part of the active artistic community that made that city a major center of American art in the Victorian era.

Today John Moran is remembered as a capable and thoughtful artist whose landscapes reflect the mid-to-late nineteenth century's deep investment in the American natural world. His paintings and photographs offer valuable documentation of landscapes and artistic sensibilities of his period, and his work continues to be studied as part of the broader story of the Moran family's contributions to American art.