WIAC (AM)
| Broadcast area | Puerto Rico | 
|---|---|
| Frequency | 740 kHz | 
| Branding | WIAC 740 AM | 
| Programming | |
| Format | News Talk/Spanish variety format | 
| Affiliations | Square Multimedia | 
| Ownership | |
| Owner | 
  | 
| WYAC, WISA | |
| History | |
First air date  | March 1947 | 
Former call signs  | WIBS (1947–1951) | 
Former frequencies  | 580 kHz (1942–1951) | 
Call sign meaning  | West Indies Advertising Company | 
| Technical information | |
Licensing authority  | FCC | 
| Facility ID | 4935 | 
| Class | B | 
| Power | 10,000 watts unlimited | 
Transmitter coordinates  | 18°21′24″N 66°14′56″W / 18.35667°N 66.24889°W | 
| Links | |
Public license information   | |
| Website | wiac740.com | 
WIAC (740 kHz) is an AM radio station broadcasting a News Talk Information and Spanish variety format. Licensed to San Juan, Puerto Rico, it serves the Puerto Rico area. The station is currently owned by Bestov Broadcast Group.