Hallmark (disambiguation)
- Charlotte Hallmark
- Halcyon Studios
- Hall Mark (horse)
- Hallmark Academy
- Hallmark Building (Hollywood, California)
- Hallmark Cards
- Hallmark Channel
- Hallmark Channel (Australia)
- Hallmark Channel (Italy)
- Hallmark Channel (UK)
- Hallmark Channel (international)
- Hallmark Connections
- Hallmark Guitars
- Hallmark Institute of Photography
- Hallmark Records
- Hallmark, Louisville
- Hallmark-Sonali Bank Loan Scam
- Roger Hallmark