| NAME | first name | COUNTRY | office webpage | home city | field of interest | about me |
| Kögelberger | Wolfgang | Austria | | Hainbach | | |
| Lafrenz | Hans | Germany | | Hamburg | urban planning and design | |
| Lander | Brad | USA | | | | |
| Lass | Jüri | Estonia | | | | |
| Law-Yone | Hubert | Israel | | Tivon | | |
| Leduc | Wouter | Netherlands | | | sustainable energy, exergy, urban energy planning | |
| Leek | Rob | Netherlands | | | | |
| Leibundgut | Hansjürg | Switzerland | | | | |
| Leitner | Kurt | Austria | | Wien | housing and urban studies / research project design / process moderation | |
| Lieser | Peter G. | Germany | | | | |
| Lotreanu | Monica | Romania | | Bucuresti 2 | built heritage and architectural design | |
| Läpple | Dieter | Germany | | Hamburg | | |
| Maier | Karel | Czech Republic | | Praha | | |
| Malavasi | Luciana | Italy | | Ferrara FE | | |
| Manhart | Elisabeth | Austria | | | | |
| Marsoni | Lina | Italy | | Milano | urban planning | |
| Martens | Karel | Netherlands | | | | |
| Massey | David W. | United Kingdom | | Liverpool | urban design | |
| Mattern | Gisela | Germany | | Hannover | | |
| Mazor | Uri | Israel | | Tel-Aviv | Architecture & urban design, computer modeling... | |
| Mazor | Adam | Israel | | Ramat Hasharon | urban planning | |
| Mihat | Maria | Romania | www.diic.ro | Bucharest | architecture / urban planning | |
| Miles | Simon | Canada | | Toronto | metropolitan region planning / urban systems | |
| Mishima | Nobuo | Japan | | Kurume, Fukuoka | urban and environmental design | |
| Mollov | Belin | Bulgaria | | Sofia | | |
| Msoka | Colman | Tanzania | | | | |
| Mušič | Barbara | Slovenia | | | | |
| Nager | Anita | USA | | Brooklyn, New York | environmental strategies | |
| Nagl | Franz | Austria | www.volksbanksalzburg.at | | urban planning / environmental planning | |
| Narasimhan | Sakuntala | India | | Bangalore | | |