David Bruce MacPherson (July 24, 1940 – December 21, 2017) was the third bishop of the Diocese of Western Louisiana in The Episcopal Church.
He initially served as a chaplain at the Episcopal Hospital of the Good Samaritan in Los Angeles between 1978 and 1980, and then became vicar-in-charge of St John's Church in La Verne, California.
On April 20, 2002, he was elected Coadjutor Bishop of Western Louisiana[4] and was installed as such on September 14, 2002 in St Mark's Cathedral.
He was a member of Communion Partners,[6][7] an organization of Episcopal Church bishops, dioceses, clergy, parishes and lay people which seeks to "maintain and strengthen" ties to the Anglican communion and "fidelity to the canons, integreities and realities of the Episcopal Church.
[9] In 2015 at the 78th General Convention, Bishop MacPherson was among those who opposed changing the canons and liturgies of the Episcopal Church to allow any two people to marry.