A coaxial connector where a plug having a coaxial structure is connected in a direction substantially parallel with a board, the board being where the coaxial connector is mounted, the coaxial connector includes a signal contact having one end connected to a plug pin and another end bent or curved toward the board; and a ground contact having a substantially cylindrical shaped main body part, the main body part surrounding a part of the signal contact, the ground contact being connected to a plug side ground member by a first connecting part formed at one end of the main body part, the ground contact being connected to the board by a second connecting part formed at another end of the main body part, wherein the second connecting part includes a center member surrounding two or more surfaces of the signal contact, and an arm part extending from a side part of the center member.