| Type: | Bishop |
| Honorific Prefix: | The Right Reverend |
| Robert Reed Shahan | |
| Honorific Suffix: | D.D. |
| Bishop of Arizona | |
| Church: | Episcopal Church |
| Diocese: | Arizona |
| Elected: | May 5, 1992 |
| Term: | 1992–2004 |
| Retired: | --> |
| Predecessor: | Joseph T. Heistand |
| Successor: | Kirk Stevan Smith |
| Ordination: | November 24, 1973 |
| Consecration: | October 3, 1992 |
| Consecrated By: | Edmond L. Browning |
| Birth Date: | 18 October 1939 |
| Birth Place: | Elkhart, Kansas, United States |
| Death Place: | Kansas |
| Nationality: | American |
| Religion: | Anglican |
| Spouse: | Mary Carol (1963-2020) |
| Children: | 2 |
| Previous Post: | --> |
Robert Reed "Bob" Shahan (October 18, 1939 – August 14, 2020) was bishop of the Episcopal Diocese of Arizona from 1992 to 2004.
Shahan was born in Elkhart, Kansas. He studied at the University of Kansas and earned a master's degree in business administration from Michigan State University. He earned his PhD in organizational development from Northwestern University in 1979. In 1994, Seabury-Western Theological Seminary awarded him a Doctorate of Divinity.
Shahan spent a number of years as an officer in the US Navy and then worked as a market analyst for Hershey Foods Corporation. Later he studied at the Nashotah House and graduated with a Master of Divinity in 1973. He was ordained deacon on May 19, 1973, and priest on November 24, 1973. He served parishes in Michigan, Illinois, South Carolina, and Kansas, and has taught preaching and church administration at Seabury-Western Theological Seminary. Prior to his election, he was the Dean of Grace Cathedral in Topeka, Kansas. He was elected Bishop of Arizona on May 2, 1992 on the fifth ballot during a special diocesan convention. He was consecrated bishop on October 3, 1992, by Presiding Bishop Edmond L. Browning. He retired in 2004.
Shahan died on August 14, 2020.