KOST 103.5 is a radio station based in Los Angeles, California.

KOST airs a mainstream adult contemporary format.

If you love Christmas songs, this is the station to tune in from November to December. KOST broadcasts all Christmas music from November to 25th of December.

Ellen K Morning Show is one of the most popular shows of the station, which airs every weekday at 5 am. Ellen K often interviews your favorite celebrities in KOST 103.5.

• Love Songs with Karen Sharp
• The Sunday Journal
• Animal Radio
• Ellen K Morning Show
• Ted Ziegenbusch
• Kari Steele

• Mark Wallengren
• Kari Steele
• Karen Sharp
• Bruce Scott
• Ted Ziegenbusch
• Sandy Stec
• Rick Lovett