Clarence Hammar

{{short description|Swedish sailor}}

{{Use dmy dates|date=November 2021}}

{{Infobox sailor

| image =

| caption =

| full_name = Karl Adolf Clarence Hammar

| nickname =

| nationality = Swedish

| birth_date = {{Birth-date|23 June 1899}}

| birth_place = Solna, Sweden

| death_date = {{Death-date and age|31 December 1989|23 June 1899}}

| death_place = Haninge, Sweden

| height =

| weight =

| classes = 1924 Olympic Class Monotype, 8 Metre

| club = {{yachtclub|Royal Swedish Yacht Club}}

| collegeteam =

| coach =

| show-medals = yes

| medaltemplates =

{{MedalSport | Men's Sailing }}

{{MedalCountry | {{SWE}} }}

{{MedalCompetition | Olympic Games }}

{{MedalBronze | 1928 Amsterdam | 8 metre class }}

}}

Karl Adolf Clarence Hammar (23 June 1899 – 31 December 1989) was a Swedish sailor who competed in the 1924 Summer Olympics and in the 1928 Summer Olympics.{{cite web |url=https://www.olympedia.org/athletes/62259 |title=Clarence Hammar |work=Olympedia |access-date=1 November 2021}}

In 1924 he finished sixth in the Olympic Monotype. Four years later he was a crew member of the Swedish boat Sylvia which won the bronze medal in the 8 metre class.