Rathole

Rathole or Rat Hole may refer to:

• Rathole, Edmonton, a former two-lane tunnel in Edmonton, Alberta, Canada
• Rat Hole, Gaping Gill
• Chicago rat hole, a rat-shaped hole in a sidewalk in Chicago, Illinois
• Rat-hole mining
• removing chips inappropriately from the table in poker, aka "going south"
• an audio file archiving tool in Soundfont
• a jingle on the show MacBreak Weekly
• a channel on EFNet IRC
• a method of money laundering
• a section of the Cincinnati, New Orleans and Texas Pacific Railway