There is no definitive answer to this question as it depends on a number of factors, including the individual dog's personality and intelligence. Some breeds are generally considered to be more trainable than others, however, such as the Border Collie and Poodle. These breeds are typically very intelligent and eager to please their owners, making them easier to train. Other breeds that are often considered to be highly trainable include the Labrador Retriever and Golden Retriever. These popular breeds are known for their good natured dispositions and willingness to learn new things. Ultimately, any breed of dog can be trained with patience and consistency, so it is important to choose a breed that suits your lifestyle and personality.