There are several synonyms for the name "Jack Lord", a well-known actor hailing from the United States. One of the common synonyms used for this name is "John Joseph Patrick Ryan", his original birth name. Additionally, he was often referred to simply as "Jack Ryan". As an actor, he garnered immense recognition for his role as detective Steve McGarrett on the popular television series "Hawaii Five-O", which led to another synonym for him - "Steve McGarrett". Furthermore, due to his iconic portrayal of this character, he is sometimes known as "Detective McGarrett". All of these synonyms represent the talent and fame of the acclaimed actor, Jack Lord.