Dead Letter Dept. may refer to:
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Dead Letter Dept. (band)
Dead Letter Dept. were a Canadian punk band from Toronto, Canada. The band consisted of Rob Moir (guitar/vocals), Mike Leblanc (drums), Andrew Sparks (bass), Danny Complex (guitars). The band announced their break up on their Myspace blog in 2008. ...
, a Canadian punk band
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''Dead Letter Dept.'' (video game), a 2025 video game
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