Lord Demon

{{Short description|Book written by Roger Zelazny and concluded by Jane Lindskold}}

{{About|the 1999 Roger Zelazny novel|the Dungeons and Dragons entity|Demon lord (Dungeons & Dragons)|the K-Pop star "Demon Lord"|Shin Hae-chul}}

{{Use mdy dates|date=March 2025}}

{{Infobox book |

| name = Lord Demon

| title_orig =

| translator =

| image = Lord demon.jpg

| caption = Dust-jacket illustration from the first edition

| author = Roger Zelazny and Jane Lindskold

| cover_artist = Amy Halperin

| country = United States

| language = English

| series =

| genre = Fantasy

| publisher = Avon

| release_date = August 1999

| media_type = Print (Hardback)

| pages = 276 pp

| isbn = 0-380-97333-2

| dewey= 813/.54 21

| congress= PS3576.E43 L66 1999

| oclc= 41017382

| preceded_by =

| followed_by =

}}

Lord Demon is a fantasy novel by American writer Roger Zelazny, completed in 1999 by Jane Lindskold after his death.

It is a "scientific" fantasy built on favorite themes (the necessity of knowing oneself, taking risks, accepting the vulnerability that comes with feeling passionately etc.) of Roger Zelazny, drawing on East Asian, Irish, and hero's quest myths. It features his signature protagonist: a smart-mouthed cigarette-smoking erudite who can be poetic yet is detached, homicidal when angered but more often immersed in art, poetry, and the occasional creation of alternate realities. Also kind to the weak and deeply romantic in his approach to women.