The Upper Hutt Blockhouse also known as the Wallaceville Blockhouse is a 19th-century American-style military blockhouse situated in Upper Hutt, New Zealand. One of very few such blockhouses built in New Zealand, it is preserved as a Category I historic place. It was built in late 1860 as part of a larger Stockade and was one of two Blockhouses and Stockades built in the Hutt Valley that year.