U.S.A. (Aiight Then)

{{unref|date=December 2021}}

{{Infobox song

| name = U.S.A.

| cover = USAAiightThenMobbDeep.jpg

| alt =

| type = single

| artist = Mobb Deep

| album = Murda Muzik

| released = March 21, 2000

| recorded =

| studio =

| venue =

| genre = Hip hop

| length = 4:03

| label = Loud

| writer = Havoc
Prodigy

| producer = Epitome, Shamello, Buddah

| prev_title = It's Mine

| prev_year = 1999

| next_title = The Learning (Burn)

| next_year = 2001

}}

"U.S.A. (Aiight Then)" is the third and final single from Mobb Deep's Murda Muzik album. The b-side features the song "Spread Love". The song was originally titled "Street Kingz" and featured a short verse by frequent collaborator Nas.