:Sylvester Derby

{{Short description|American football player and coach (1892–1974)}}

{{Infobox college coach

| name = Sylvester Derby

| image = SR Derby.png

| alt =

| caption = Derby pictured in The Forester 1921, Lake Forest yearbook

| birth_date = {{Birth date|1892|2|13}}

| birth_place = Lemont, Illinois, U.S.

| death_date = {{Death date and age|1974|6|5|1892|2|13}}

| death_place = Kokomo, Indiana, U.S.

| alma_mater =

| player_sport1 = Football

| player_years2 = 1913–1914

| player_team2 = Illinois

| player_positions = End

| coach_sport1 = Football

| coach_years2 = 1919–1920

| coach_team2 = Lake Forest

| coach_years3 = 1921

| coach_team3 = Delaware

| coach_sport4 = Basketball

| coach_years5 = 1920–1921

| coach_team5 = Lake Forest

| overall_record = 13–10–2 (football)
5–9 (basketball)

| bowl_record =

| tournament_record =

| championships =

| awards =

| coaching_records =

}}

Sylvester Randall Derby (February 13, 1892 – June 5, 1974){{Cite web|url=https://books.google.com/books?id=0VYbAQAAMAAJ&q=%22sylvester+randall+derby%22|title=Russell Roots & Branches: The Genealogy of Ira Russell, His Wives Betsey Bickford Deering and Eunice Jerusia Lee, Their Ancestors and Descendants|last1=Russell|first1=Marjorie Marie|year=1981}} was an American college football head coach. He coached for two seasons at Lake Forest College in Illinois where he compiled an 8–6–2 overall record. Derby then moved on to coach the Delaware Fightin' Blue Hens football team in 1921 where he finished 5–4 in one season.