Utensils, including forks, with movable components, and associated systems and methods are disclosed. A representative utensil includes a first tool carried by and movable relative to a first arm portion, a second tool carried by and movable relative to a second arm portion, and a hinge coupling the first and second arm portions. A guide structure is coupled to the first and second arm portions to guide motion of at least one of the first and second tools relative to the other.