Cornelius Christiaan Zwaan (1882–1964) was a Dutch painter, watercolorist, and draftsman, known for his atmospheric landscapes, cityscapes, and seascapes. His work is characterized by a refined sense of light, atmosphere, and composition, through which he captured Dutch nature and daily life with great sensitivity.

Zwaan worked in an Impressionist tradition, with a loose yet controlled brushwork and subtle use of color. He drew inspiration from the changing seasons, the Dutch landscape, and the lively harbors and waterways, with the reflection of light on water forming a recurring theme. His paintings radiate tranquility, harmony, and a great love for the Dutch landscape.

Thanks to his craftsmanship and eye for detail, Cornelius Christiaan Zwaan is considered one of the esteemed Dutch landscape painters of the first half of the twentieth century. His work remains beloved by collectors today due to its timeless appeal and authentic depiction of the Dutch landscape.