Cayman Islands at the 1991 Pan American Games

{{Infobox country at games

| NOC = CAY

| NOCname = Cayman Islands Olympic Committee

| year = 1991

| date = 8–18 August 1991

| games = Pan American Games

| location = Havana

| competitors =

| sports =

| flagbearer =

| officials =

| gold = 0

| silver = 0

| bronze = 0

| rank = 27

| appearances = auto

| app_begin_year = 1987

| seealso =

| website = {{URL|http://www.caymanolympic.org.ky/}}

}}

The 11th Pan American Games were held in Havana, Cuba from August 2 to August 18, 1991.