[Object] A pipe connecting connector capable of solidly holding a connected state to a pipe is provided.[Means of Solving Problem] The pipe connecting connector includes a connector main body wherein a pipe is inserted and removed; a lock member including a pipe locking portion, which locks the pipe, and held in the connector main body to be capable of moving between a locking position wherein the pipe locking portion locks the pipe, and an unlocking position which releases the locking; and an urging device urging the lock member to a locking position side. In a case wherein the lock member is in the locking position, the pipe locking portion is structured to be urged in a direction of locking the pipe by an urging force of the urging device.