The Two Graphs

{{Short description|1950 novel}}

{{Use dmy dates|date=April 2022}}

{{infobox book

| name = The Two Graphs

| title_orig =

| translator =

| image =File:The Two Graphs.jpg

| caption = First edition (UK)

| author = John Rhode

| illustrator =

| cover_artist =

| country = United Kingdom

| language = English

| series = Lancelot Priestley

| genre = Detective

| publisher = Geoffrey Bles (UK)
Dodd Mead (US)

| release_date = 1950

| english_release_date =

| media_type = Print

| pages =

| isbn =

| preceded_by =Up the Garden Path

| followed_by = Family Affairs

}}

The Two Graphs is a 1950 detective novel by John Rhode, the pen name of the British writer Cecil Street.Magill p.1418Evans p.134 It is the fiftieth in his long-running series of novels featuring Lancelot Priestley, a Golden Age armchair detective. It was published in America by Dodd Mead under the alternative title Double Identities.Reilly p.1257 Writing in The Observer Maurice Richardson noted a "slight slackening of tension towards the finish but an excellent specimen of Rhode’s later period."