Bob Christiansen

{{Short description|American football player (born 1949)}}

{{Use mdy dates|date=June 2024}}

{{Infobox NFL biography

| image =

| caption =

| position = Defensive tackle

| number = 83

| birth_date = {{birth date and age|1949|05|8}}

| birth_place = Marshalltown, Iowa, U.S.

| death_date =

| height_ft = 6

| weight_lb = 230

| height_in = 4

| draftyear = 1972

| draftround = 5

| draftpick = 125

| college = UCLA

| teams =

• Buffalo Bills ({{NFL Year|1972}})

| highlights =

• First-team All-Pac-8 (1971)

| statlabel1 = Games played

| statvalue1 = 4

| pfr = ChriBo20

| HOF =

| CollegeHOF =

}}

Robert Scott Christiansen (born May 8, 1949) is a former professional American football defensive tackle in the National Football League (NFL). He played for the Buffalo Bills in 1972.

For the 1971 season playing for the UCLA Bruins, he was named to the All-Conference First-team. He played for Reseda High School.{{Cite web|url=https://www.pro-football-reference.com/players/C/ChriBo20.htm|title = Bob Christiansen Stats}}