DZRH
| Logo of DZRH since 2021 | |
| 
 | |
|---|---|
| Broadcast area | Mega Manila and surrounding areas | 
| Frequency | 666 kHz | 
| Branding | DZRH | 
| Programming | |
| Language | Filipino | 
| Format | News, Public Affairs, Talk, Drama | 
| Affiliations | DZRH News Television | 
| Ownership | |
| Owner | MBC Media Group | 
| History | |
| First air date | July 15, 1939 | 
| Former call signs | KZRH (1939–1948) | 
| Former frequencies | 650 kHz (1939–1978) | 
| Call sign meaning | Radio Heacock (former branding) | 
| Technical information | |
| Licensing authority | NTC | 
| Class | A (clear frequency) | 
| Power | 50,000 watts | 
| Repeater(s) | See DZRH stations | 
| Links | |
| Webcast | Live Stream | 
| Website | www | 
DZRH (666 AM) is a radio station owned and operated by MBC Media Group. The station’s studios are in the MMG Building, Star City, V. Sotto Street, CCP Complex, Roxas Boulevard, Pasay with transmitter along I. Marcelo Street, Brgy. Malanday, Valenzuela. The station broadcasts nationwide via relay stations across the Philippines.
Established on July 15, 1939, DZRH is the oldest privately owned radio station, and the second-oldest radio station in the Philippines after state-owned DZRB.