Nicodemus Tessin the Younger (1654–1728) was a prominent Swedish architect and designer known for his significant contributions to the Baroque architectural style in Sweden. He was the son of Nicodemus Tessin the Elder, a notable architect himself. Tessin the Younger played a key role in the design of several important buildings, including the Royal Palace in Stockholm and the Drottningholm Palace. Tessin the Younger was also involved in urban planning and landscape design, influencing the development of Swedish cities during his time. His work is characterized by grandiose structures and intricate details, reflecting the elegance of the Baroque period. His legacy continues to be celebrated in Sweden's architectural history.