Magnus Powermouse

{{Short description|1982 novel by Dick King-Smith}}

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

{{infobox book |

| name = Magnus Powermouse

| image = Magnus Powermouse.jpg

| caption = First edition

| author = Dick King-Smith{{cite news|title= How to make millions from pigs |work= The Guardian|date=11 November 2001|url= https://www.theguardian.com/books/2001/nov/10/booksforchildrenandteenagers|accessdate=2 January 2011|location=London|first=Julia|last=Eccleshare}}

| illustrator = Mary Rayner

| cover_artist = Jon Miller

| country = United Kingdom

| language = English

| genre =

| publisher = Victor Gollancz Ltd

| pub_date = 12 November 1982

| media_type = Print (hardback and paperback)

| pages = 118 pp (first edition)

| isbn = 0140316027

| oclc =

| congress =

| preceded_by =

| followed_by =

}}

Magnus Powermouse is a children's novel by Dick King-Smith, first published by Gollancz in 1982 with illustrations by Mary Rayner.