Yes, Saltillo Terracotta can be used outdoors. It is a type of clay tile commonly used in outdoor spaces such as patios, balconies, and garden paths. Saltillo terracotta is known for its earthy tones and rustic appearance, making it a popular choice for outdoor applications. However, it is important to note that Saltillo terracotta is porous and requires proper sealing to protect it from moisture and staining. Regular maintenance and resealing may also be necessary to ensure its longevity outdoors.