The Bishop of Speyer is the Ordinary of the Roman Catholic Diocese of Speyer, which is a suffragan see of the Archdiocese of Bamberg. The diocese covers an area of 5,893 km². The current bishop is Karl-Heinz Wiesemann.
Listed here are the bishops of the diocese and auxiliary bishops.
Bishops to 1802
At some point, the bishops of Speyer acquired imperial fiefs.
{| class="wikitable"
|-
!Name
!From
!Until
|-
|Jesse of Speir
|align="right"|circa 346
|align="right"|
|-
|Hildericus episcopus
|align="right"|circa 613
|align="right"|
|-
|Atanasius
|align="right"|610
|align="right"|650
|-
|Principius
|align="right"|650
|align="right"|659
|-
|Dragobodo
|align="right"|659
|align="right"|700
|-
|Otto
|align="right"|700
|align="right"|709
|-
|Siegwin I
|align="right"|709
|align="right"|725
|-
|Luido
|align="right"|725
|align="right"|743
|-
|David
|align="right"|743
|align="right"|760
|-
|Basinus
|align="right"|760
|align="right"|775
|-
|Siegwin II
|align="right"|775
|align="right"|802
|-
|Otto I
|align="right"|802
|align="right"|810
|-
|Fraido
|align="right"|810
|align="right"|814
|-
|Benedikt
|align="right"|814
|align="right"|828 or 830
|-
|Bertin, also Hertinus
|align="right"|828 or 830
|align="right"|845 or 846
|-
|Gebhard I
|align="right"|845 or 847
|align="right"|880
|-
|Goddank
|align="right"|881
|align="right"|895 or 898
|-
|Einhard, also Eginhard
|align="right"|895 or 898
|align="right"|913
|-
|Bernhard
|align="right"|914
|align="right"|922
|-
|Amalrich
|align="right"|913 or 923
|align="right"|943
|-
|Reginwalt I, also Reginhard
|align="right"|943 or 944
|align="right"|950
|-
|Gottfried I
|align="right"|950
|align="right"|960
|-
|Otgar
|align="right"|960
|align="right"|970
|-
|Balderich
|align="right"|970
|align="right"|987
|-
|Ruprecht
|align="right"|987
|align="right"|1004
|-
|Walter
|align="right"|1004
|align="right"|1031
|-
|Siegfried I
|align="right"|1031
|align="right"|1032
|-
|Reinher, also Reginher
|align="right"|1032
|align="right"|1033
|-
|Reginhard II of Dillingen, also Reginbald
|align="right"|1033
|align="right"|1039
|-
|Sigbodo I, also Siegbodo
|align="right"|1039
|align="right"|1051
|-
|Arnold I of Falkenberg
|align="right"|1051
|align="right"|1056
|-
|Konrad I
|align="right"|1056
|align="right"|1060
|-
|Eginhard II of Katzenelnbogen
|align="right"|1060
|align="right"|1067
|-
|Heinrich of Scharfenberg
|align="right"|1067
|align="right"|1075
|-
|Rüdiger Huzmann (Huozmann, Hutzmann)
|align="right"|1075
|align="right"|1090
|-
|Johann I of Kraichgau
|align="right"|1090
|align="right"|1104
|-
|Gebhard II, Count of Urach
|align="right"|1105
|align="right"|1107 († 1110)
|-
|Bruno, Count of Saarbrücken (Count of Saargau)
|align="right"|1107
|align="right"|1123
|-
|Arnold II, Count of Leiningen
|align="right"|1124
|align="right"|1126
|-
|Siegfried I, Count of Wolffölden
|align="right"|1127
|align="right"|1146
|-
|
|align="right"|1146
|align="right"|1161
|-
|Ulrich I of Dürrmenz
|align="right"|1161
|align="right"|1163
|-
|Gottfried II
|align="right"|1164
|align="right"|1167
|-
|Rabodo, Count of Lobdaburg
|align="right"|1167
|align="right"|1176
|-
|Konrad II
|align="right"|1176
|align="right"|1178
|-
|Ulrich II of Rechberg
|align="right"|1178
|align="right"|1187
|-
|Otto II, Count of Henneberg
|align="right"|1187
|align="right"|1200
|-
|Conrad III of Scharfenberg
|align="right"|1200
|align="right"|1224
|-
|Beringer of Entringen
|align="right"|1224
|align="right"|1232
|-
|Konrad IV of Dahn
|align="right"|1233
|align="right"|1236
|-
|Konrad V, Count of Eberstein
|align="right"|1237
|align="right"|1245
|-
|Heinrich II, Count of Leiningen
|align="right"|1245
|align="right"|1272
|-
|Friedrich of Bolanden
|align="right"|1272
|align="right"|1302
|-
|Sigibodo II of Lichtenberg, also Siegbodo
|align="right"|1302
|align="right"|1314
|-
|Emich, Count of Leiningen, also Emicho
|align="right"|1314
|align="right"|1328
|-
|Berthold, Count of Bucheck
|align="right"|1328
|align="right"|1328
|-
|Walram, Count of Veldenz
|align="right"|1328
|align="right"|1336
|-
|Baldwin, Archbishop of Trier (Administrator)
|align="right"|1332
|align="right"|1336
|-
|Gerhard of Ehrenberg
|align="right"|1336
|align="right"|1363
|-
|Lambert of Born (Brunn?)
|align="right"|1364
|align="right"|1371
|-
|Adolf I, Count of Nassau
|align="right"|1371
|align="right"|1388
|-
|Nikolaus I aus Wiesbaden
|align="right"|1388
|align="right"|1396
|-
|Raban of Helmstatt
|align="right"|1396
|align="right"|1438
|-
|Reinhard of Helmstatt
|align="right"|1438
|align="right"|1456
|-
|Siegfried III Freiherr of Venningen
|align="right"|1456
|align="right"|1459
|-
|Johann II Nix of Hoheneck, aka Enzenberger
|align="right"|1459
|align="right"|1464
|-
|Matthias Freiherr of Rammingen
|align="right"|1464
|align="right"|1478
|-
|Ludwig of Helmstädt
|align="right"|1478
|align="right"|1504
|-
|Philip I of Rosenberg
|align="right"|1504
|align="right"|1513
|-
|George, Count Palatine by Rhine
|align="right"|1513
|align="right"|1529
|-
|Philip II of Flersheim
|align="right"|1529
|align="right"|1552
|-
|Rudolf of Frankenstein
|align="right"|1552
|align="right"|1560
|-
|Marquard Freiherr of Hattstein
|align="right"|1560
|align="right"|1581
|-
|Eberhard of Dienheim
|align="right"|1581
|align="right"|1610
|-
|Philipp Christoph von Sötern
|align="right"|1610
|align="right"|1652
|-
|Lothar Friedrich of Metternich
|align="right"|1652
|align="right"|1675
|-
|Johann Hugo von Orsbeck
|align="right"|1675
|align="right"|1711
|-
|Heinrich Hartard of Rollingen
|align="right"|1711
|align="right"|1719
|-
|Hugo Damian of Schönborn
|align="right"|1719
|align="right"|1743
|-
|Franz Christoph of Hutten zu Stolzenberg
|align="right"|1743
|align="right"|1770
|-
|Damian August Philipp Karl, Count of Limburg-Stirum-Vehlen
|align="right"|1770
|align="right"|1797
|-
|Philipp Franz Wilderich of Walderdorf
|align="right"|1801
|align="right"|1802 († 1810)
|- bgcolor="lightgrey"
|Sede vacante
|align="right"|1802
|align="right"|1818
|- bgcolor="lightgrey"
|Secularization and division of the diocese
|align="right"|1803
|}
Bishops after 1818
{| class=wikitable
! width="23%"|Tenure
! width="35%"|Incumbent
! width="40%"|Notes
|- valign=top bgcolor="#ffffec"
|1802 to 5 February 1818||Sede vacante||Secularization and division of the bishopric of Speyer
|- valign=top bgcolor="#ffffec"
|5 February 1818 to 30 June 1826||Matthäus Georg von Chandelle||Priest of Mainz; ordained 9 December 1821; died in office
|- valign=top bgcolor="#ffffec"
|22 July 1826 to 25 March 1835||Johann Martin Manl||Priest of Mainz; confirmed 9 April 1827; ordained 25 April 1827; appointed Bishop of Eichstätt
|- valign=top bgcolor="#ffffec"
|23 March 1835 to 20 September 1836||Johann Peter von Richarz||Priest of Würzburg; confirmed 24 July 1835; ordained 1 November 1835; Appointed Bishop of Augsburg
|- valign=top bgcolor="#ffffec"
|20 September 1836 to 23 May 1842||Johannes von Geissel||Priest of Speyer; confirmed 19 May 1837; ordained 13 August 1837; Appointed Bishop of Cologne
|- valign=top bgcolor="#ffffec"
|5 March 1842 to 13 December 1869||Nicolaus von Weis||Priest of Speyer; confirmed 23 May 1842; ordained 10 July 1842; died in office
|- valign=top bgcolor="#ffffec"
|6 May 1870 to 4 April 1871||Konrad Reither||Priest of Speyer; confirmed 27 June 1870; ordained 18 September 1870; died in office
|- valign=top bgcolor="#ffffec"
|23 May 1872 to 31 May 1876||Bonifatius von Haneberg, OSB||Priest of the Order of Saint Benedict; confirmed 29 July 1872; ordained 25 August 1872; died in office
|- valign=top bgcolor="#ffffec"
|9 June 1878 to 18 March 1905||Joseph Georg von Ehrler||Priest of Würzburg; confirmed 9 June 1878; ordained 15 July 1878; died in office
|- valign=top bgcolor="#ffffec"
|21 March 1905 to 9 September 1910||Konrad von Busch||Priest of Speyer; confirmed 30 May 1905; ordained 16 July 1905; died in office
|- valign=top bgcolor="#ffffec"
|4 November 1910 to 26 May 1917||Michael von Faulhaber|| Priest of Speyer; confirmed 7 January 1911; ordained 19 February 1911; appointed Archbishop of München und Freising
|- valign=top bgcolor="#ffffec"
|28 May 1917 to 20 May 1943||Ludwig Sebastian||Priest of Bamberg; confirmed 31 July 1917; ordained 23 September 1917; died in office
|- valign=top bgcolor="#ffffec"
|20 May 1943 to 9 August 1952||Joseph Wendel||Coadjutor Bishop of Speyer; installed 4 June 1943; Appointed Archbishop of München und Freising
|- valign=top bgcolor="#ffffec"
|22 December 1952 to 10 February 1968||Isidor Markus Emanuel||Priest of Speyer; ordained 1 February 1953; resigned
|- valign=top bgcolor="#ffffec"
|28 May 1968 to 28 October 1982||Friedrich Wetter||Priest of Speyer; ordained 29 June 1968; Appointed Archbishop of München und Freising; created a Cardinal in 1985 by Pope John Paul II
|- valign=top bgcolor="#ffffec"
|25 August 1983 to 10 February 2007||Anton Schlembach|| Priest of Würzburg; ordained 16 October 1983
|- valign=top bgcolor="#ffffec"
|19 December 2007 to present ||Karl-Heinz Wiesemann||Auxiliary bishop of Paderborn; ordained 2 March 2008
|}
Auxiliary bishops
- Pierre Spitznagel, O. Carm. (1444–1465)
- Johann Isenberg, O.F.M. (1466–1484)
- Stephan Karrer, O.P. (1484–1486)
- Heinrich Schertlin (1486–1511)
- Lukas Schleppel (1512–1520)
- Anton Engelbrecht (1520–1525)
- Nikolaus Schigmers, O.S.A. (1529–1541)
- Georg Schweicker (1544–1563)
- Matthais Ob (1566–1572)
- Heinrich Fabricius (1575–1595)
- Dionys Burckard (1596–1605)
- Theobald Manshalter (1606–1610)
- Johannes Streck (1611–)
- Wolfgang Ralinger (1623–1663)
- Johann Brassert (1673–1684)
- Johann Philipp Burkhard (1685–1698)
- Peter Cornelius Beyweg (1701–1744)
- Johann Adam Buckel (1745–1771)
- Johann Andreas Seelmann (1772–1789)
- Valentin Philipp Anton Schmidt (1790–1805)
- Ernst Gutting (1971–1994)
- Otto Georgens (1995–)
See also
- Lists of office-holders
- Speyer Cathedral