:St Ann's Head Lighthouse

{{Short description|Lighthouse in Pembrokeshire, Wales}}

{{Use dmy dates|date=January 2018}}

{{Use British English|date=January 2018}}

{{Infobox lighthouse

| name = St. Ann's Head Lighthouse
St. Ann's Low Light

| image = St Anns Head.jpg

| image_width =

| caption = St. Ann's Head Lighthouse

| location = {{Unbulleted list|Milford Haven|Pembrokeshire|Wales|United Kingdom}}

| coordinates = {{coord|51.681218|-5.173675|display=inline,title}}

| yearbuilt = 1714 (first)

| yearlit = 1844 (current)

| automated = 1998

| yeardeactivated =

| foundation =

| construction = masonry tower

| shape = octagonal tower with balcony and lantern

| marking = white tower and lantern

| height = {{convert|13|m|ft}}

| focalheight = {{convert|48|m|ft}}

| lens = First-order catadioptric

| lightsource =

| intensity = 48,700 candela

| range = {{convert|18|nmi}}

| characteristic = {{Abbr|Fl WR 5s.|Flashing, white red, five seconds}}

| fogsignal =

| racon =

| country =

| countrynumber =

| countrylink =

| managingagent = Trinity House{{Cite rowlett|cym|accessdate=2016-06-02}}[https://www.trinityhouse.co.uk/lighthouses-and-lightvessels/st-anns-head-lighthouse St. Ann's Head Lighthouse] Trinity House. Retrieved 2 June 2016

| heritage =

| module =

}}

St. Ann's Head Lighthouse is a lighthouse that overlooks the entrance to the Milford Haven Waterway, one of Britain's deep water harbours, from St. Ann's Head near Dale in Pembrokeshire.