Newton H. Ewell is an artist whose work has appeared in role-playing games.

[1] Ewell was intrinsic to the Sci-Fi and Convention scene in and around the Washington D.C. Area in the 1970s and 80's, widely known for the rare talent for rendering detailed illustrations of starships and space stations and related Sci-Fi Fantasy matter.

[citation needed] Newton Ewell has done artwork for the Dungeons & Dragons role-playing game, including interior art for the Treasure Maps set (1992), and was an interior artist for both SJR2 Realmspace (1991) and SJR7 Krynnspace (1992), as well as the War Captains Companion (1992).

Additionally, he has a design credit for both the MC7 Monstrous Compendium Spelljammer Appendix (1990), and the MC9 Monstrous Compendium Spelljammer Appendix II (1991), and was the author of HWR2 Kingdom of Nithia (1991).

He also worked as an editor on projects such as Wild Things (1990), Vikings Campaign Sourcebook (1991), Dark Sun's The Complete Gladiator's Handbook (1992), and AC1010 Poor Wizard's Almanac & Book of Facts (1992).