Ain't IT Funny - Formats and Track Listings

CD single

1. "Ain't It Funny" (Album Version) – 4:06
2. "Ain't It Funny" (Brandnew Extended) – 4:54

2-track CD single

1. "Qué Ironía (Ain't It Funny)" – 4:07
2. "Ain't It Funny" – 4:08

CD single

1. "Ain't It Funny" (Murder Remix featuring Ja Rule and Caddillac Tah) - 3:49
2. "Play" (Artful Dodger Main Mix) - 3:59
3. "Feelin' So Good" (HQ2 Club Mix) - 5:17
4. "Ain't It Funny" (Murder Remix featuring Ja Rule and Caddillac Tah) (Video) - 3:52

12" single

1. "Ain't It Funny" (Murder Remix featuring Ja Rule and Caddillac Tah) - 3:50
2. "Ain't It Funny" (Murder Remix featuring Ja Rule and Caddillac Tah) (Instrumental) - 3:49
3. "Waiting for Tonight" (Hex Hector Vocal Club Extended/Hex's Momentous Club Mix) - 4:44

CD maxi single

1. "Ain't It Funny" (Album Version) – 4:06
2. "Ain't It Funny" (Silk's House Mix Pt. 1 & 2) – 8:28
3. "Ain't It Funny" (Brandnew Extended) – 4:54
4. "Ain't It Funny" (Tropical Dance Remix) – 3:49
5. "Ain't It Funny" (D'Hip Mix) – 4:23

UK CD maxi single

1. "Ain't It Funny" (Album Version) - 4:06
2. "Ain't It Funny" (Silk's House Mix Pt. 1 & 2) – 8:28
3. "Ain't It Funny" (Almighty Mix) - 7:22
4. "Ain't It Funny" (Video)