A gas supply and liquid supply apparatus includes a first fluid pipe which is provided in an endoscope, the first fluid pipe supplying a first fluid, a second fluid pipe which is provided in the endoscope together with the first fluid pipe, the second fluid pipe supplying a second fluid, and a confluence pipe which is provided in a substantially cylindrical distal end part of an insertion part of the endoscope. The confluence pipe includes a first communication part which is communicated with the first fluid pipe and has a bent shape, a second communication part which is communicated with the second fluid pipe and has a bent shape, and a confluence part in which the first communication part and the second communication part are brought together.