Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a hollow body portion with a front portion, a toe portion, a top portion, a sole portion, a back portion, and an interior cavity extending between the top and sole portions and between the face and back portions. The front portion may include a face portion having a thickness. The interior cavity may be partially or entirely filled with an elastic polymer material. Other examples and embodiments may be described and claimed.