| Name | Functions  | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Dieter von Arx | Designer | 1973 | 1 | |||
| Masatomo Abe | Designer | 1978 | 1 | |||
| Peter Agoos | Designer | 1975 | 1 | |||
| Jens C. Andrésen | Designer | 1889 - 1914 | 6 | |||
| Javier Artiñano | Designer | 1981 | 1 | |||
| Guillermo Aldrete L. | Designer | 1980 | 1 | |||
| Eileen Armstrong | Designer | 1984 | 1 | |||
| Michael Amico | Designer | 2009 | 1 | |||
| Matt Allison | Designer | 2010 | 1 | |||
| Günter Altmann | Designer | 1990 | 1 | |||
| Tony Abbott | Designer | 1982 | 1 | |||
| Angel Ahrjanov | Designer | 1982 | 1 | |||
| Göran Arfs | Designer | 1980 | 1 | |||
| Günther Allgeier | Designer | 1980 | 1 | |||
| Csaba Antal | Designer | 1994 - 2002 | 23 | |||
| Jaak Arro | Designer | 1997 | 1 | |||
| Dominique Arel | Designer | 1995 | 1 | |||
| Maurus Augustin | Designer | 1995 | 2 | |||
| Daniel Angermayr | Designer | 2014 | 1 | |||
| Kay Anthony | Designer | 1997 | 1 | |||
| Lee Adey | Designer | 1966 | 1 | |||
| Elroy Ashmore | Designer | 2002 | 1 | |||
| Ran Asami | Designer | 1997 | 1 | |||
| Tommy Andresen | Designer | 2015 | 1 | |||
| Pavol Andraško | Designer | 2003 | 1 | 1 | ||
| Mária Ambrus | Designer | 2005 - 2016 | 9 | 1 | ||
| Jennifer Adam | Designer | 2003 | 1 | |||
| Giacomo Andrico | Designer | 2005 - 2013 | 35 | 1 | ||
| Liz Ascroft | Designer | 2001 - 2010 | 2 | |||
| Christopher Acebo | Designer | 2006 - 2008 | 2 | |||
| Cameron Anderson | Designer | 2006 | 1 | |||
| Abdullah Al Khaled | Designer | 2006 | 4 | |||
| Ramallah Aubrecht | Designer | 2006 - 2017 | 3 | |||
| Silver Achugamonye | Designer | 2002 | 1 | |||
| Femistokl Atmadzas | Designer | 2008 | 1 | |||
| Jan Arve Andersen | Designer | 2008 | 1 | |||
| Stéphane Alberto | Designer | 2009 | 2 | |||
| Matej Antonovski | Designer | 2008 | 1 | |||
| Georgi Alexi-Meskhishvili | Designer | 2010 | 1 | |||
| Hakan Atak | Designer | 2009 | 1 | |||
| G. Vijaykumar Abheesh | Designer | 2015 | 1 | |||
| Sanja Jurca Avci | Designer | 2010 - 2012 | 3 | |||