Krzysztof Kosiński

{{Short description|Cossack noble}}

{{More citations needed|date=March 2024}}

{{Use dmy dates|date=September 2016}}

{{Infobox noble

| name = Krzysztof Kosiński

| image = UA050-10.jpg

| alt =

| caption = Kosiński on a 2010 stamp of Ukraine

| birth_name =

| birth_date ={{Birth year|1545}}

| birth_place =

| death_date = {{Death year and age|1593|1545}}

| death_place =

| nationality =

| other_names = Kryshtof Kosynsky

| occupation = Cossack noble

| years_active =

| title = Hetman

| CoA = Rawicz

}}

Krzysztof Kosiński,{{cite Q|Q105477423|last=Stone|first=Daniel|page=145 }} also known as Kryshtof Kosynsky[http://www.encyclopediaofukraine.com/display.asp?linkpath=pages%5CK%5CO%5CKosynskyKryshtof.htm "Kosynsky, Kryshtof"]. Encyclopedia of Ukraine, vol. 2 (1989) ({{langx|uk|Криштоф Косинський}}, Kryshtof Kosynsky; {{langx|pl|Krzysztof Kosiński}}; 1545–1593), was a Cossack noble from the Podlachia region. He was a colonel of the Registered Cossacks and self-proclaimed hetman. He led two consecutive rebellions against the local Ruthenian nobility, known as the Kosiński uprising.