New Writings in SF 18

{{Infobox book |

| name = New Writings in SF 18

| title_orig =

| translator =

| image = New Writings in SF 18.JPG

| caption = Cover of the first edition

| editor = John Carnell

| cover_artist =

| country = United Kingdom

| language = English

| series = New Writings in SF

| genre = Science fiction

| publisher = Dennis Dobson

| release_date = 1971

| english_release_date =

| media_type = Print (Hardcover)

| pages = 187

| isbn = 0-234-77613-7

| preceded_by = New Writings in SF 17

| followed_by = New Writings in SF 19

}}

New Writings in SF 18 is an anthology of science fiction short stories edited by John Carnell, the eighteenth volume in a series of thirty, of which he edited the first twenty-one. It was first published in hardcover by Dennis Dobson in June 1971, followed by a paperback edition issued by Corgi later the same year.

The book collects seven novelettes and short stories by various science fiction authors, with a foreword by Carnell.