New Writings in SF 25

{{Infobox book |

| name = New Writings in SF 25

| title_orig =

| translator =

| image = NWISF 25.jpg

| caption = Cover of first edition

| editor = Kenneth Bulmer

| cover_artist =

| country = United Kingdom

| language = English

| series = New Writings in SF

| genre = Science fiction

| publisher = Sidgwick & Jackson

| release_date = 1975

| english_release_date =

| media_type = Print (hardcover)

| pages = 189

| isbn = 0-283-98177-6

| preceded_by = New Writings in SF 24

| followed_by = New Writings in SF 26

}}

New Writings in SF 25 is an anthology of science fiction short stories edited by Kenneth Bulmer, the fourth volume of nine he oversaw in the New Writings in SF series in succession to the series' originator, John Carnell. It was first published in hardcover by Sidgwick & Jackson in April 1975, followed by a paperback edition issued by Corgi in 1976.

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