Alex Nielsen

{{short description|Danish footballer (born 1958)}}

{{Use dmy dates|date=August 2024}}

{{Infobox football biography

| name= Alex Nielsen

| fullname = Alex Nielsen

| image =

| birth_date = {{Birth date and age|1958|3|26|df=y}}

| birth_place = Denmark

| height =

| position = Goalkeeper

| youthyears1 =

| youthclubs1 = Boldklubben Sylvia

| years1 =

| clubs1 = Fremad Amager

| caps1 =

| goals1 =

| years2 =

| clubs2 = Vejle Boldklub

| caps2 = 327

| goals2 = 0

| years3 =

| clubs3 = Hvidovre IF

| caps3 =

| goals3 =

| nationalyears1 =

| nationalteam1 = Denmark U21

| nationalcaps1 = 16

| nationalgoals1 =

| nationalyears2 =

| nationalteam2 = Denmark

| nationalcaps2 = 1

| nationalgoals2 =

}}

Alex Nielsen (born 26 March 1958) is a former Danish football goalkeeper.