:John Sisk Jr.

{{Short description|American football player (born 1941)}}

{{Use mdy dates|date=June 2024}}

{{Infobox NFL biography

| image =

| caption =

| number = 27

| position = Defensive back

| birth_date = {{birth date and age|1941|07|15}}

| birth_place = Milwaukee, Wisconsin, U.S.

| death_date =

| height_ft = 6

| height_in = 3

| weight_lb = 195

| high_school = Milwaukee (WI) Marquette

| college = Miami (FL)

| draftyear = 1963

| draftround = 17

| draftpick = 234

| afldraftyear = 1963

| afldraftround = 29

| afldraftpick = 232

| undraftedyear =

| pastteams =

• Chicago Bears ({{NFL Year|1964}})

| statlabel1 = Games played

| statvalue1 = 3

| pfr =

| pfrcoach =

| cfl =

| afl =

| HOF =

| CollegeHOF =

}}

John Martin Sisk III (born July 15, 1941{{Cite web|url=https://www.pro-football-reference.com/players/S/SiskJo20.htm|title = John Sisk Stats| website=Pro-Football-Reference.com }}) is an American former professional football defensive back in the National Football League (NFL). He played in three games for the Chicago Bears in 1964. He played at the collegiate level at Marquette University and the University of Miami. His father Johnny Sisk played for the Bears from 1932 to 1936.