Kathy's Song can refer to:

• "Kathy's Song", a song by Simon & Garfunkel on the album Sounds of Silence
• "Kathy's Song", a song by Apoptygma Berzerk on the album Welcome to Earth

• Johnny Brown (boxer)
• Johnny Brown (English boxer)
• Johnny Brown (Neighbours)
• Johnny Brown (Scottish boxer)
• Johnny Bruno
• Johnny Buchler
• Johnny Buckley (Gaelic footballer)
• Johnny Bull Walker
• Johnny Bulunbulun
• Johnny Burn
• Johnny Buss
• Johnny Butt
• Johnny Cab
• Johnnycake, WV
• Johnny Caldwell (Nordic skier)
• Johnny Campbell
• Johnny Campbell (disambiguation)
• Johnny Campbell (footballer)
• Johnny Campbell (footballer born 1894)
• Johnny Campbell (footballer, born 1894)
• Johnny Campbell (footballer born 1910)
• Johnny Campbell (footballer born 1928)
• Johnny Campbell (rugby league)
• Johnny Cannizzaro
• Johnny Canoe