Marsh Farm Formation

{{Use dmy dates|date=April 2022}}

{{Infobox rockunit

| name = Marsh Farm Formation

| image =

| caption =

| type = Formation

| age = {{fossilrange|Lutetian|Lutetian|Lutetian}}

| period = Lutetian

| prilithology = clay, sand

| otherlithology =

| namedfor =

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| region = England

| country = United Kingdom

| coordinates =

| unitof = Bracklesham Group

| subunits =

| underlies = Selsey Sand Formation

| overlies = Earnley Sand Formation

| thickness = 12 - 13.5 m

| extent = Eastern Hampshire Basin

| area =

| map =

| map_caption =

}}

The Marsh Farm Formation is a geologic formation in England. It preserves fossils dating back to the Paleogene period.