HD 155358 c

{{Short description|Extrasolar planet}}

{{Infobox planet

| name = HD 155358 c

| discoverer = Cochran et al.

| discovery_site = University of Texas

| discovered = May 10, 2007

| discovery_method = Radial velocity

| apsis = astron

| semimajor = {{convert|1.224|±|0.081|AU|km|abbr=on}}

| eccentricity = 0.176±0.174

| period = 530.3±27.2 d

| time_periastron = 2,454,420.3
±79.3

| arg_peri = 279±38

| semi-amplitude = 14.1±1.6

| star = HD 155358

}}

HD 155358 c is an extrasolar planet orbiting the star HD 155358 located 142 light years away in the constellation Hercules. This is a gas giant which orbits at 1.224 AU and takes 530.3 days to orbit HD 155358. This planet orbits in an eccentric orbit. This planet has at least half the mass of Jupiter.