40/40: The Best Selection

40/40 The Best Selection is a double compilation album by British-Australian singer Olivia Newton-John. It was released by Universal Music on 13 October 2010 in Japan, simultaneously with the box set 40th Anniversary Collection. The compilation was specially created for the Japanese market and was later remastered by Universal Music Japan and pressed on SHM-CD. The songs were selected by votes from Japanese fans for a limited release edition that includes a bonus track ("Come on Home"). 40/40 The Best Selection peaked at number 20 on the Japanese Albums Chart.

Track listing
Disc 1
 * 1) "Have You Never Been Mellow" from Have You Never Been Mellow
 * 2) "Hopelessly Devoted to You" from Grease
 * 3) "Sam" from Don't Stop Believin'
 * 4) "Making a Good Thing Better" from Making a Good Thing Better
 * 5) "Something Better to Do" from Clearly Love
 * 6) "Don't Stop Believin'"from Don't Stop Believin'
 * 7) "Sad Songs" from Don't Stop Believin'"
 * 8) "Compassionate Man" from Don't Stop Believin'"
 * 9) "Jolene" from Come On Over
 * 10) "Please Mr. Please" from Have You Never Been Mellow
 * 11) "Take Me Home, Country Roads" from Music Makes My Day
 * 12) "Let It Shine" from Clearly Love
 * 13) "If Not for You" from If Not for You
 * 14) "Don't Throw It All Away" from Come On Over
 * 15) "Let Me Be There" from Music Makes My Day
 * 16) "Long Live Love" from Long Live Love
 * 17) "If You Love Me (Let Me Know)" from If You Love Me, Let Me Know
 * 18) "Angel Eyes" from Long Live Love
 * 19) "The Promise (The Dolphin Song)" from Physical
 * 20) "Summer Nights"from Grease

Disc 2
 * 1) "Xanadu" from Xanadu
 * 2) "Physical" from Physical
 * 3) "You're the One That I Want" from Grease
 * 4) "Heart Attack" from Physical 2021 deluxe edition
 * 5) "Twist of Fate" from Physical 2021 deluxe edition
 * 6) "Landslide" from Physical
 * 7) "I Need Love" from Back to Basics: The Essential Collection 1971–1992
 * 8) "The Rumour" from The Rumour
 * 9) "Totally Hot" from Totally Hot
 * 10) "Make a Move on Me" from Physical
 * 11) "Deeper Than the Night" from Totally Hot
 * 12) "Magic" from Xanadu
 * 13) "Soul Kiss" from Soul Kiss
 * 14) "A Little More Love" from Totally Hot
 * 15) "Suddenly" from Xanadu
 * 16) "Take a Chance" from Physical 2021 deluxe edition
 * 17) "Come on Over" from Come On Over
 * 18) "Slow Dancing" from Making a Good Thing Better
 * 19) "Clearly Love" from Clearly Love
 * 20) "I Honestly Love You" from Long Live Love
 * 21) "Come on Home" (bonus track)