- Laura iGem talk contribs (Created on 31 May 2010 at 16:17)
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- LauraGraf talk contribs (Created on 25 April 2016 at 18:34)
- LauraJ talk contribs (Created on 14 December 2009 at 19:40)
- Laurafong talk contribs (Created on 22 October 2010 at 17:40)
- Lauranzola talk contribs (Created on 14 April 2014 at 14:56)
- Lco-mozilla talk contribs (Created on 29 May 2013 at 00:43)
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- Lede5104 talk contribs (Created on 27 January 2013 at 15:59)
- Lefteris Krysalis talk contribs (Created on 11 April 2018 at 13:19)
- Lehmann talk contribs (Created on 31 October 2009 at 14:50)
- LeifWEi talk contribs (Created on 29 April 2016 at 09:15)
- Leizhang talk contribs (Created on 10 July 2014 at 08:00)
- Lemonzi talk contribs (Created on 3 August 2011 at 18:16)
- Lena Kögel talk contribs (Created on 27 October 2010 at 09:00)
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- Lenak talk contribs (Created on 6 January 2011 at 16:58)
- Lene talk contribs (Created on 18 October 2011 at 16:07)
- Lenestul talk contribs (Created on 24 October 2010 at 11:05)
- Leno talk contribs (Created on 26 May 2009 at 08:03)
- Leno3 talk contribs (Created on 1 December 2010 at 20:44)
- LenorehGoodman talk contribs (Created on 31 July 2012 at 21:19) (blocked)
- Leonardo talk contribs (Created on 1 May 2016 at 05:24)
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- Li lingling talk contribs (Created on 8 November 2012 at 22:11)
- Lica7129 talk contribs (Created on 19 May 2010 at 14:24)
- Lichenlounge talk contribs (bureaucrat, administrator (until 14:35, 24 January 2025)) (Created on 24 January 2024 at 13:32)
- Lidya talk contribs (Created on 15 April 2024 at 12:44)
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- Lisa talk contribs (Created on 18 October 2010 at 21:20)
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- LisaSchneider talk contribs (Created on 26 October 2012 at 16:03)
- Lissy talk contribs (Created on 26 March 2021 at 15:51)