Leden
- Clive Nolan
- Mick Pointer
- John Mitchell (vanaf 1997)
- Kylan Amos (vanaf 2014)
- Damian Wilson (vanaf 2020)
- Cliff Orsi (1995)
- John Carson (t/m 1996)
- Keith More (t/m 1997)
- John Jowitt (t/m 1998, 2011 t/m 2014)
- Rob Sowden (1998 t/m 2010)
- Paul Manzi (2010 t/m 2020)
- Ian Salmon (1998 t/m 2011)
- Paul Wrightson (1996 t/m 1998)
Discografie: EP's
- 2,93 (23)Arena - Contagious (2003)
- 3,00 (17)Arena - Contagium (2003)
Reguliere albums
- 3,66 (75)
- 3,53 (44)Arena - Pride (1996)
- 2,77 (26)Arena - The Cry (1997)
- 3,98 (117)Arena - The Visitor (1998)
- 3,89 (76)Arena - Immortal? (2000)
- 4,03 (80)Arena - Contagion (2003)
- 3,56 (62)Arena - Pepper's Ghost (2005)
- 3,69 (56)
- 3,86 (66)Arena - The Unquiet Sky (2015)
- 3,77 (49)Arena - Double Vision (2018)
- 4,05 (42)
Verzamel
- 3,94 (9)Arena - Ten Years On (2006)
- 3,88 (4)Arena - Contagion Max (2014)
Live
- 3,53 (16)Arena - Welcome to the Stage (1997)
- 3,58 (24)
- 3,94 (18)Arena - Live & Life (2004)
- 3,50 (2)
- 3,62 (4)Arena - XX (2016)
- 3,25 (2)Arena - Re-Visited Live! (2019)
- Arena - Lifian Tour MMXXII (2023)
Tracks op verzamelalbums
- 3,00 (1)