I collected 10 lists of “Best Country Songs” from various sources on the Internet and combined them into one meta-list.  Here are the results: every song that was on at least two of the original lists.  For a list of the Best Country Music Albums of All Time, go here.

On 8 lists
Patsy Cline – Crazy (1961)

7 lists
George Jones – He Stopped Loving Her Today (1980)

6
Tammy Wynette – Stand By Your Man (1968)
Dolly Parton – I Will Always Love You (1974)
Garth Brooks – The Dance (1989)

5
Johnny Cash – Folsom Prison Blues (1955)
Johnny Cash – I Walk the Line (1956)
Johnny Cash – Ring of Fire (1963)

4
Hank Williams – I’m So Lonesome I Could Cry (1949)
Merle Haggard – Okie from Muskogee (1969)
Loretta Lynn – Coal Miner’s Daughter (1970)
Conway Twitty – Hello Darlin’ (1970)
Dolly Parton – Jolene (1973)
Waylon Jennings & Willie Nelson – Mammas, Don’t Let Your Babies Grow Up to Be Cowboys (1978)
Kenny Rogers – The Gambler (1978)
Garth Brooks – Friends in Low Places (1990)
Lee Ann Womack – I Hope You Dance (2000)
Carrie Underwood – Before He Cheats (2006)
Taylor Swift – Love Story (2008)

3
Bill Monroe and the Blue Grass Boys – Blue Moon of Kentucky (1947)
Hank Williams – Your Cheatin’ Heart (1953)
Marty Robbins – El Paso (1959)
Patsy Cline – I Fall to Pieces (1961)
Buck Owens and the Buckaroos – Act Naturally (1963)
Roger Miller – King of the Road (1964)
Merle Haggard – Mama Tried (1968)
Jeannie C. Riley – Harper Valley P.T.A. (1968)
Charlie Rich – Behind Closed Doors (1973)
Willie Nelson – Blue Eyes Crying in the Rain (1975)
Johnny Paycheck – Take This Job and Shove It (1977)
Ronnie Milsap – Smoky Mountain Rain (1980)
Willie Nelson – Always on My Mind (1982)
Alabama – Mountain Music (1982)
George Strait – Amarillo by Morning (1983)
Dwight Yoakum – Guitars, Cadillacs (1986)
Randy Travis – Forever and Ever, Amen (1987)
Reba McEntire – Fancy (1991)
Hank Williams, Jr. – A Country Boy Can Survive (1992)
Martina McBride – Independence Day (1994)
Dixie Chicks – Wide Open Spaces (1998)
Alan Jackson – Where Were You (When the World Stopped Turning) (2001)
Tim McGraw – Live Like You Were Dying (2004)
Gretchen Wilson – Redneck Woman (2004)
Lady Antebellum – Need You Now (2010)

2
Jimmie Rodgers – Standing on the Corner (Blue Yodel #9) (1930)
Ernest Tubb – Walking the Floor Over You (1941)
Hank Williams – Hey Good Lookin’ (1951)
Kitty Wells – It Wasn’t God Who Made Honky Tonk Angels (1952)
Tennessee Ernie Ford – Sixteen Tons (1955)
Lefty Frizzell – Long Black Veil (1959)
Ray Charles – You Don’t Know Me (1962)
The Statler Brothers – Flowers on the Wall (1965)
Eddy Arnold – Make the World Go Away (1965)
Lynn Anderson –Rose Garden (1970)
John Denver – Take Me Home, Country Roads (1971)
Charley Pride – Kiss an Angel Good Mornin’ (1971)
Tanya Tucker – Delta Dawn (1972)
Tom T. Hall – Old Dogs, Children, and Watermelon Wine (1972)
Glen Campbell – Rhinestone Cowboy (1975)
David Allan Coe – You Never Even Called Me by My Name (1975)
Charlie Daniels Band – The Devil Went Down to Georgia (1979)
Eddie Rabbitt – Drivin’ My Life Away (1980)
Rosanne Cash – Seven Year Ache (1981)
Lee Greenwood – God Bless the USA (1984)
The Judds – Mama He’s Crazy (1984)
George Strait – The Chair (1985)
Keith Whitley – When You Say Nothing At All (1988)
Garth Brooks – If Tomorrow Never Comes (1989)
Brooks & Dunn – Boot Scootin’ Boogie (1992)
Vince Gill – Go Rest High on that Mountain (1995)
Deana Carter – Strawberry Wine (1996)
Lonestar – Amazed (1999)
Travis Tritt – It’s a Great Day to Be Alive (2000)
The Soggy Mountain Boys (with Dan Tymenski) – I Am a Man of Constant Sorrow (2000)
Brad Paisley – Welcome to the Future (2009)
The Band Perry – If I Die Young (2010)
Miranda Lambert – The House that Built Me (2010)