81 Topic Ideas for Starting a Blog that Matters:-

Don’t know what topic to start your blog on? Here are 81 blog topic ideas to get you thinking about what you could focus (or re-focus) your site on.
 (Some of the most creative ideas people came up with are in bold.)

1. Self improvement/Self-Hypnosis

2. Health & Fitness for Busy People

3. Language Learning Blogs

4. How to Travel on a Budget (Best hotel deals. Car rental. Trip advice.)

5. Writing Style

6. Rescued Animals

7. Personal Development (Passions & Ambition Pursuing)

8. Social Dynamics & Communication Skills

9. Working in Uncommon Fields of Expertise While Location Independence

10. Self Defense

11. Recipes for couples without children

12. Male guide to female communication

13. Using technology in small business (Google Docs, CRM, credit card processing)

14. Bullying/cyber bullying

15. Behavioral disorders in children

16. Body-weight training

17. Entrepreneurial education for young children & adults

18. Disc Golf

19. DIY Projects, DIY Business and Selling Homemade Items

20. How to have a Strong Marriage

21. How to be a real and true friend

22. How to Train for a Triathlon

23. Careers vs job: following your passion

24. Getting VMWare Certified

25. Getting Microsoft Certified

26. Hamburgers

27. Self-sustaining lifestyle (grow your own food/ use solar power etc)

28. Mind strengthening (mind over matter/ lucid dreaming)

29. Beyond the basics of personal financial management

30. Healthy eating blog

31. Ghost-hunting

32. Home brewing beer

33. Self defense training (“for women” or “for children” or “for business executives”)

34. Indie Video Game Development

35. Video Game tactics shown through video tutorials

36. Community gardening/Urban farming

37. Starting and running your own social network

38. Point and Shoot Photography (How to create incredible photographs with whatever camera you have in your pocket)

39. Blog & Website Design for Non Designers (How to make your blog look incredible without spending a fortune)

40. The Art of Getting What You Want (How to use confidence and technique to get what you want from life, your relationships and your career)

41. Make Good Video for the Web (How to leverage the video medium to take your brand, blog, website, or business to the next level)

42. Self-Employment (The logistics behind how to start working for yourself (i.e. How to leave your job, find health insurance, set up an LLC, etc.)

43. How to write an e-bestseller (How could we document the process of creating an Amazon Kindle (or other electronic format) bestseller.)

44. Rapid Language Learning

45. How to become a better writer

46. How to lose weight and feel awesome (Even at middle age! The Primal/Paleo way)

47. Vegan diet

48. Cycling. More specifically, urban commuting.

49. Apartment living (this could range from renter issues to decor, etc.)

50. Interior design blog

51. Eating organic on a tight budget

52. Health conscious, High mileage, Minimalist traveling

53. How to Become a Famous Rock-star

54. Sports Photography

55. Life skills/life coaching for high school students

56. College planning for homeschoolers

57. Speaking in Public (How to overcome the fear to the audience; minimalistic approach to presentations, etc.)

58. A Family related site (Topics centered mostly on improving the relationship between family members; how to increase the creativity of kids and specially parents; how to help kids to find their passion and inner peace.)

59. Alternative Running Events (Mudruns, Tough Mudder, Spartan Race, Warrior Dash, etc.)

60. Learning the Ukulele

61. Learn How to Play Guitar

62. How to Get What You Want Without Breaking the Law or Burning Bridges

63. Becoming a wine connoisseur

64. Build a boat and cross the Pacific in it

65. Getting good at tennis and qualifying for Wimbledon

66. Windsurfing

67. Regular Surfing

68. How mobile applications that can improve one’s work productivity, relationships with friends and family, and overall quality of life.

69. Simpler Living (a blog that will explore and map a journey from a miserable 6 figure a year traditional way of living back to an often forgotten way of life.)

70. The best “places” around the world & do they live up to the hype?

71. How to do travel photography/videography

72. The Great Recession (A blog based upon a sustainable lifestyle with a smaller footprint.)

73. Building an iPhone application

74. The end of the world and the Maya prophecies for December 21st, 2012

75. Car maintenance

76. Running a Small Agile Business (a la 37 Signals)

77. A “Good Cause” Site (Telling the Stories of Successful Non-Profits & Charities)

78. Eco-tourism

79. The world of virtual conferences

80. QR codes. How to best use them in small business Marketing.

81. Inspire Bootstrappers (A blog to inspire bootstrappers by posting real bootstrapper success stories.)