| HMRC | Hallett Motor Racing Circuit 
| Others |
| HMRC | Health Management Research Center
| Others |
| HMRC | Health Management Research Center (University of Michigan)
| Others |
| HMRC | Her Majesties Revenue and Customs
| Others |
| HMRC | Her Majesties Revenue Customs
| Others |
| HMRC | Her Majesty Revenue Customs
| Others |
| HMRC | Her Majesty's Revenue & Customs
| Others |
| HMRC | Her Majesty's Revenue and Customs
| Others |
| HMRC | Her Majesty's Revenue and Customs (UK)
| Others |
| HMRC | Hideous Morons and Right Chumps
| Others |
| HMRC | His Majesty's Revenue and Customs
| Others |
| HMRC | HM Revenue & Customs
| Others |
| HMRC | Honda Maestro Riders Club
| Others |
| HMRC | Houston Metropolitan Research Center
| Others |
| HMRC | Human Mobility Research Centre
| Others |
| HMRC | Hydraulics and Maritime Research Centre (University College Cork)
| Others |