:1986–87 Welsh Cup

{{Use dmy dates|date=March 2025}}

The 1986–87 Welsh Cup winners were Merthyr Tydfil. The final and replay were played at Ninian Park in Cardiff in front of attendances of 7,000 and 6,010 respectively.

Semi-finals – first leg

class="wikitable" style="text-align: center"
Tie no

!Home team

!Score

!Away team

1Newport County2–1Wrexham
2Merthyr Tydfil1–0Bangor City

Semi-finals – second leg

class="wikitable" style="text-align: center"
Tie no

!Home team

!Score

!Away team

1Wrexham2–2Newport County
2Bangor City1–0 (2−4p)Merthyr Tydfil

Final

{{football box

|date=17 May 1987

|time=15:00

|team1=Merthyr Tydfil

|score=2–2

|report=

|team2=Newport County

|goals1=Latchford {{goal}}
Webley {{goal}}

|goals2=Thackeray 2 {{goal}}

|stadium=Ninian Park, Cardiff

|attendance=7,000

|referee=F Roberts (Prestatyn) }}

width=92% |
{{Football kit

| pattern_la =

| pattern_b =

| pattern_ra =

| pattern_sh =

| pattern_so =

| leftarm = FFFFFF

| body = FFFFFF

| rightarm = FFFFFF

| shorts = 000000

| socks = 000000

| title = Merthyr Tydfil

}}

|{{Football kit

| pattern_la =

| pattern_b =

| pattern_ra =

| pattern_sh =

| pattern_so =

| leftarm = FF7E00

| body = FF7E00

| rightarm = FF7E00

| shorts = 000000

| socks = FF7E00

| title = Newport County

}}

Replay

{{football box

|date=21 May 1987

|time=19:45

|team1=Merthyr Tydfil

|score=1–0

|report=

|team2=Newport County

|goals1=Baird {{goal}}

|goals2=

|stadium=Ninian Park, Cardiff

|attendance=6,010

|referee=F Roberts (Prestatyn) }}

width=92% |
{{Football kit

| pattern_la =

| pattern_b =

| pattern_ra =

| pattern_sh =

| pattern_so =

| leftarm = FFFFFF

| body = FFFFFF

| rightarm = FFFFFF

| shorts = 000000

| socks = 000000

| title = Merthyr Tydfil

}}

|{{Football kit

| pattern_la =

| pattern_b =

| pattern_ra =

| pattern_sh =

| pattern_so =

| leftarm = FF7E00

| body = FF7E00

| rightarm = FF7E00

| shorts = 000000

| socks = FF7E00

| title = Newport County

}}