The 2003 European Junior Swimming Championships were held in Glasgow 31 July-3 August.

Medal table

Results Boy's events

| 50 m freestyle

| 100 m freestyle

| 200 m freestyle

| 400 m freestyle

| 1500 m freestyle

| 50 m backstroke

| 100 m backstroke

| 200 m backstroke

| 50 m breaststroke

| 100 m breaststroke

| 200 m breaststroke

| 50 m butterfly

| 100 m butterfly

| 200 m butterfly

| 200 m individual medley

| 400 m individual medley

| freestyle relay

| freestyle relay

| medley relay

Girl's events

| 50 m freestyle

| 100 m freestyle

| 200 m freestyle

| 400 m freestyle

| 800 m freestyle

| 50 m backstroke

| 100 m backstroke

| 200 m backstroke

| 50 m breaststroke

| 100 m breaststroke

| 200 m breaststroke

| 50 m butterfly

| 100 m butterfly

| 200 m butterfly

| 200 m individual medley

| 400 m individual medley

| freestyle relay

| freestyle relay

| medley relay