Cults whose leaders or members have caused their own death, encouraged suicide, or expressed a willingness to die. This can include mass suicide, the suicide of individual members, unintentional suicides as a direct result of voluntary actions related to the cult, or potential suicides that were not carried out.

Mass Suicides:

Ruwan Prasanna Gunaratne

Individual Suicides:

Christian Gospel Mission (Providence) - An international cult that has tricked several hundred women into having sex with the leader in exchange for salvation (1980 - present)
Page: Church of the Last Testament (Vissarion)
Plymouth Brethren Christian Church (Exclusive Brethren)

Unintentional Suicides:

Jehovah's Witnesses - A prominent denomination, which believes the end times have already begun
True Russian Orthodox Church - A suicidal doomsday cult that isolated themselves in a cave in anticipation of the coming apocalypse (early 2000s - 2008)

Potential Suicides:

The Circle (Nathan Chasing Horse) - A Dances with Wolves actor that was caught running a cult and arrested for various sexual crimes
Devra West