A4221 road

{{Short description|Road in south Wales}}

{{Unreferenced|date=June 2019|bot=noref (GreenC bot)}}

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

{{Use British English|date=February 2013}}

{{Infobox road

|country=WLS

|type=A

|route=4221

|image=Junction ahead, A4221 near Coelbren - geograph.org.uk - 2576055.jpg

|image_notes=A4221 near Coelbren

|header_type=minor

|length_mi=3

|direction_a= Northwest

|terminus_a = Abercraf

|direction_b= Southeast

|terminus_b = Banwen

|junction = {{jct|country=GBR|A|4067|name1= }}
{{jct|country=GBR|A|4109|name1= }}

|destinations=

|previous_type = A

|next_type = A

|previous_route = 4219

|next_route = 4222

}}

The A4221 is an A road which links Banwen with Abercraf in Wales.