Namesakes
Fictional Characters from Plays and Musicals:
1 character
Hedwig Robinson 1998 Hedwig and the Angry Inch 
Harry Potter Characters:
1 character
Hedwig
Notable Politicians and Statespeople:
1 politician
Hedy d'Ancona 1937-
Notable Scientists and Inventors:
1 physicist
Hedwig Kohn 1887-1964
Olympic Medalists:
1 bronze
(bronze) Hedwig Rosenbaum 1900 tennis
Other Royalty:
1 princess
Marie of Prussia (middle name Hedwig) 1825-1889 Prussia
Polish High Dukes and Kings:
1 queen
Queen Jadwiga (a.k.a. Hedwig) 1384-1399
Saints:
2 saints
Saint Hedwig 1174-1243
Saint Jadwiga of Poland (a.k.a. Hedwig) 1374-1399