Puccinia campanulae

{{Use dmy dates|date=October 2023}}

{{short description|Species of fungus}}

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{{Speciesbox

| image =Puccinia campanulae DK16 (2).jpg

| image_alt =

| image_caption = P. campanulae on leaf of Campanula sp.

| genus = Puccinia

| species = campanulae

| authority = Carmich. (1836)

| synonyms =

• Micropuccinia campanulae (Carmich.) Arthur & H.S.Jacks. (1922)
• Puccinia campanulae-rotundifoliae Gäum. & Jaag (1935)

}}

Puccinia campanulae is a plant pathogen that causes rust on bellflower (Campanula).

In Iceland, it is known to infect Campanula rotundifolia, on which it produces teliospores, but it has not been found to infect Campanula uniflora, the other native Campanula species in Iceland.