739 Mandeville is a minor planet located in the asteroid belt.
It was discovered on 7 February 1913 by Joel Hastings Metcalf in Winchester, Massachusetts, and assigned the provisional code 1913 QR.
[3] A later, duplicate discovery was assigned the code 1963 HE.
Thus, its minimum distance from the sun was 2.35 and its maximum was 3.13.
Its orbital inclination was found to be 20.71°, and its mean anomaly 116.58°.