There have been several actors, who have voiced Batman and some of them are more beloved by the fans than their live-action counterparts. This list is only for animated shows and films, not video games and other media, in order to keep the list from being too long.
1. Olan Soule (1968-1983)
2. Adam West (1977, 1984-1986, 2016-2017)
3. Kevin Conroy (1992-1999, various other years)
4. Will Friedle (1999-2001)
5. Rino Romano (2004-2008)
6. Jeremy Sisto (2008)
7. Diedrich Bader (2008-2011, 2018)
8. William Baldwin (2010)
9. Bruce Greenwood (2010-2013, 2018)
10. Benjamin McKenzie (2011)
11. Peter Weller (2012)
12. Anthony Ruivivar (2013-2014)
13. Troy Baker (2013-2019)
14. Will Arnett (2014, 2017, 2019)
15. Jason O'Mara (2014-present)
16. Roger Craig Smith (2015-2019)
17. Jimmy Kimmel (2018)
1. Olan Soule (1968-1983)
2. Adam West (1977, 1984-1986, 2016-2017)
3. Kevin Conroy (1992-1999, various other years)
4. Will Friedle (1999-2001)
5. Rino Romano (2004-2008)
6. Jeremy Sisto (2008)
7. Diedrich Bader (2008-2011, 2018)
8. William Baldwin (2010)
9. Bruce Greenwood (2010-2013, 2018)
10. Benjamin McKenzie (2011)
11. Peter Weller (2012)
12. Anthony Ruivivar (2013-2014)
13. Troy Baker (2013-2019)
14. Will Arnett (2014, 2017, 2019)
15. Jason O'Mara (2014-present)
16. Roger Craig Smith (2015-2019)
17. Jimmy Kimmel (2018)
The Heroes:
Adam West as Batman/Bruce Wayne
Burt Ward as Robin/Richard Grayson
Alan Napier as Alfred Pennyworth
Neil Hamilton as Commissioner Gordon
Stafford Repp as Chief O'Hara
Yvonne Craig as Batgirl/Barbara Gordon (Season 3)
Madge Blake as Harriet Cooper
William Dozier (the show's creator) as the Narrator
The Villains:
Cesar Romero as the Joker
Burgess Meredith as the Penguin
Julie Newmar as Catwoman (Seasons 1-2)
Frank Gorshin as the Riddler (Seasons 1 and 3, The Movie)
Victor Buono as King Tut
Vincent Price as Egghead (Seasons 2-3)
Lee Meriwether as Catwoman (The Movie), Lisa Carson (Season 2)
Eartha Kitt as Catwoman (Season 3)
David Wayne as the Mad Hatter (Seasons 1-2)
John Astin as the Riddler (Season 2)
George Sanders as Mr. Freeze (Season 1)
Otto Preminger as Mr. Freeze (Mr. Freeze's first appearance in Season 2)
Eli Wallach as Mr. Freeze (Mr. Freeze's second appearance in Season 2)
Adam West as Batman/Bruce Wayne
Burt Ward as Robin/Richard Grayson
Alan Napier as Alfred Pennyworth
Neil Hamilton as Commissioner Gordon
Stafford Repp as Chief O'Hara
Yvonne Craig as Batgirl/Barbara Gordon (Season 3)
Madge Blake as Harriet Cooper
William Dozier (the show's creator) as the Narrator
The Villains:
Cesar Romero as the Joker
Burgess Meredith as the Penguin
Julie Newmar as Catwoman (Seasons 1-2)
Frank Gorshin as the Riddler (Seasons 1 and 3, The Movie)
Victor Buono as King Tut
Vincent Price as Egghead (Seasons 2-3)
Lee Meriwether as Catwoman (The Movie), Lisa Carson (Season 2)
Eartha Kitt as Catwoman (Season 3)
David Wayne as the Mad Hatter (Seasons 1-2)
John Astin as the Riddler (Season 2)
George Sanders as Mr. Freeze (Season 1)
Otto Preminger as Mr. Freeze (Mr. Freeze's first appearance in Season 2)
Eli Wallach as Mr. Freeze (Mr. Freeze's second appearance in Season 2)